The correct answer is Option C.Water is produced during the electron transport chain, which is a step in aerobic respiration. Alcohol fermentation does not result in the production of water, but instead, it creates ethanol from pyruvic acid.
Water is produced during cellular respiration processes, mainly in the electron transport chain (ETC), which is part of aerobic respiration. The ETC occurs in the mitochondria where oxygen is the final electron acceptor and combines with electrons and protons to form water (H2O). In contrast, during alcohol fermentation, ethanol is produced rather than water. Alcohol fermentation involves the conversion of pyruvic acid to acetaldehyde and then to ethanol, with no production of water. The citric acid cycle (also known as the Krebs cycle) likewise produces high-energy electron carriers but does not directly yield water.
what organelle is found in the plant cells. the function of the organelle is to collect solar energy and use this to produce food, or glucose, for the plant.
Answer:
~chloroplasts~
Explanation:
Answer:
chloroplasts
Explanation:
Chloroplasts are organelles that conduct photosynthesis in plant cells, where the photosynthetic pigment chlorophyll captures the energy from sunlight, converts it, and stores it in the energy-storage molecules ATP and NADPH while freeing oxygen from water in plant and algal cells.
which statement best explains how air pollution from fossil fuels affects a marine environment
Answer:
Carbon dioxide from the burning of fossil fuels accumulates in the atmosphere, where it causes global warming. But it also affects our oceans. As carbon dioxide enters the ocean, it reacts with sea water to form carbonic acid. ... Changes in ocean acidity are undeniably linked to human activities.
Explanation:
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Which characteristic of water is used to distinguish between a freshwater biome and a marine biome?
A) type of life in the water
B) salinity of water
C) temperature of water
D) location of the water
Answer:
b
Explanation:
The salinity of water distinguishes between freshwater and marine biomes: freshwater having less than 1% salt and marine having higher salt concentration.
Explanation:The characteristic of water that is used to distinguish between a freshwater biome and a marine biome is B) salinity of water. Freshwater biomes, which consist of ponds and lakes, streams and rivers, and wetlands, have a salt concentration of less than 1%. On the other hand, marine biomes, which include oceans, coral reefs, and estuaries, have higher salt concentrations. These differences in salinity are crucial because the organisms adapted to live in these environments have different tolerances for salt levels, influencing the types of life forms found in each biome.
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Use the food web shown to answer the questions below. Each answer will be a number, not the name of the organism. If the questions are answered correctly, the numbers of each answer will reveal a 5-digit code ..
1. Which organism feeds on the largest variety of organisms?
2. Which organism is an omnivore?
3. Other than bees, which organism does the blue lizard obtain energy from ?
4. Which organism feeds on both rabbits and mice?
5. Which organism is a predator of mice and the prey of a red-tailed hawk?
Answer:
1. 7, the hawk eats the largest variety of organisms. We know this because the hawk has the most arrows pointing TOWARDS it.
2. 8, the mouse is an omnivore. It eats both plants (grass) and animals (caterpillars).
3. 2, the caterpillar.
4. 9, the bobcat.
5. 1, the snake.
Answer:
Not sure but the lizard is probably an omnivore
Explanation:
What happens when an object has an equal amount of positive and negative charges?
Answer:
The object is considered to be neutral
Explanation:
What type of cell is created when a sperm fuses with an egg?
Answer:
Zygote
Explanation:
Why does an owl need a gizzard?
Answer:
don’t even know
Explanation:
Answer:
The gizzard is an owl's second stomach. There are no digestive glands in the gizzard, and in birds of prey, it serves as a filter, holding back undigestible items such as bones, fur, teeth, and feathers. Some birds eat grit or small stones to aid with digestion.
Explanation:
The gizzard is an owl's second stomach. There are no digestive glands in the gizzard, and in birds of prey, it serves as a filter, holding back undigestible items such as bones, fur, teeth, and feathers. Some birds eat grit or small stones to aid with digestion.
Using the model, describe the structure of DNA in terms of nucleotides, covalent bonds, sugars, phosphates, bases, and hydrogen bonds
Explain the importance of the hydrogen bonds to the function of a DNA molecule.
Answer:
DNA has a double-helix structure because hydrogen bonds hold together the base pairs in the middle. Without hydrogen bonds, DNA would have to exist as a different structure. he major function of DNA is to encode the sequence of amino acid residues in proteins, using the genetic code.
Explanation:
The importance of the hydrogen bonds to the function of a DNA molecule as it holds the complementary strands and is responsible for its structure.
Hydrogen bonds in DNADNA has a double-helix structure. It has two antiparallel strands. Both strands have a sequence of nitrogenous bases that are linked together by hydrogen bonds.
The hydrogen bond holds together the base pairs in the middle. Adenine is always bound with thymine and guanine to cytosine in DNA by hydrogen bonds. In absence of hydrogen bonds, DNA would have to exist as a different structure, not a double helix.
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Where are the strongest jet streams
Answer: The strongest jet streams are the polar jets. The Northern Hemisphere and the Southern Hemisphere each have a polar jet and a subtropical jet.
Explanation:
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The following steps describe how sedimentary rock forms at the bottom of a river. Which two steps involve erosion?
1. A large rock breaks down into sediment.
2. The water transports and deposits the sediments.
3. The water also transports calcite and clay, which glue the sediments together.
4. The upper layers of deposits put pressure on the lower layers.
5. Rock forms as the layers of sediment and glue compact and cement together.
A large rock breaks down into sediment (Erosion), The water transports and deposits the sediments (Erosion)
What is sediment?Sediment is a general term that refers to any material which is present in a loose, unconsolidated form and is made up of particles of rock or mineral fragments. It is typically found in rivers, lakes, seas, and oceans, and can range from silt and sand, to gravel and pebbles, clay, and even organic material like bones and shells. Sediment can be created by weathering, erosion, and transport of materials from their source. It can also form through chemical precipitation and biogenic processes. Sediment is important in the environment as it helps to protect the aquatic species by providing a safe habitat, and it is also used as a reservoir for nutrients that can be used by other organisms.
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Final answer:
The two steps that involve erosion are when 1. A large rock breaks down into sediment and when 2. The water transports and deposits the sediments. Erosion encompasses both the breakdown and transportation processes.
Explanation:
The two steps that involve erosion in the formation of sedimentary rock at the bottom of a river are:
A large rock breaks down into sediment. This is the initial stage where physical or chemical weathering breaks down the rock into smaller particles.The water transports and deposits the sediments. During transportation, the particles are eroded further as they are carried by the water flow to new locations where they will eventually be deposited.Erosion is essentially the process where materials are broken down and then transported from their original location. Sediments transported by water, wind, or glacial ice are examples of erosion at work, whereas deposition occurs when these sediments are laid down in new environments, such as the bottom of a river.
What do we call the parameters of the are of a population when we are organizing the biosphere
Answer: I think it’s A
Explanation:
summarize the differences between early succession, mid-succession, and late succession.
Answer:
In primary succession newly exposed or newly formed rock is colonized by living things for the first time. and in secondary succession an area that was previously occupied by living things.
Explanation:
Due to incursions of r strategists, there is a rapid increase in diversity in early succession. If a few k strategists dominate the landscape in late succession, biodiversity may begin to decline. Mid succession has the greatest diversity. When secondary succession begins, species diversity decreases.
What is succession?In biology, succession refers to the order in which plants and animals inhabit a biological community. As one group of plants and animals dies, another group of plants and animals emerges.
Early succession is becoming more diverse as a result of r strategist incursions. In late succession, if a few k strategists dominate the landscape, biodiversity may begin to decline.
Mid succession has the most variety. Species diversity decreases when secondary succession begins.
Early successional habitat was defined as areas with vegetation heights less than 3 meters, mid successional habitat as areas with vegetation heights between 3 and 16 meters, and late successional habitat as areas with vegetation heights greater than 16 meters.
Thus, this can be the primary difference between early succession, mid-succession, and late succession.
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We use many types of natural resources for energy. Identify each type of natural resource as renewable or nonrenewable.
sunlight
oil
natural gas
wind
coal
water
Renewable
Non-renewable
Edmentum. All rights reserved.
Renewable Energy: Sunlight, water, wind
Non-renewable Energy: Coal, oil, natural gas
Explanation: Nonrenewable sources of energy are rapidly being depleted and take a long time to replenish. Coal, oil, and natural gas are nonrenewable sources of energy. Renewable sources of energy replenish relatively quickly and are available in abundance. The wind, sunlight, and water are renewable sources of energy.
Natural resources can be renewable or nonrenewable based on their availability. Sunlight, water, and wind are renewable, while coal, oil, and natural gas are nonrenewable resources.
What are renewable and nonrenewable resources?Renewable resources are the flow sources that are not limited in number and are replenishable when consumed or used. They get replaced through natural products and are in finite amounts.
Nonrenewable resources on the opposite are limited and do not get replenished easily, and take years to form. For example, coal, oil, and natural gas are limited and are not easily replaced.
On the other hand, sunlight, water, and wind are renewable resources that are available in abundant amounts in nature and get replaced through the natural cycles.
Therefore, sunlight, water, and wind are renewable resources.
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Which of the following is the best way to develop a dichotomous key? A Move from observing the most specific traits that can divide the organisms to the most obvious traits, offering 2 choices each time. B Move from observing the most obvious traits that can divide the organisms to the most specific traits, offering 2 choices each time. C Move from observing the most obvious traits that can divide the organisms to the most specific traits, offering 4 choices each time. D Move from observing the most specific traits that can divide the organisms to the most obvious traits, offering 4 choices each time.
Answer:
Move from observing the most specific traits that can divide the organisms to the most obvious traits, offering 2 choices each time
Explanation:
dichotomous key reffers to a tool that give room to the user in determining the identity of items in the natural world. Items can be mammals, fish,wildflowers, mammals and reptiles. The particular key is made up of series of choices that help user to get the name of a particular item correctly. At the end dichotomous keys always bring about two choices in a step.
In dichotomous key the user has to select a choice out which of the two statements that describes the unknown organism best, with the reference of the choice made based of moves to the next set of statements, so at the end the identity of the unknown is clarified.
Therefore, in dichotomous key it move from observing the most specific traits that can divide the organisms to the most obvious traits, offering 2 choices each time
The optimal development of a dichotomous key requires starting with general traits and progressing to specific ones, making two choices available at each step.
Explanation:The best way to develop a dichotomous key is to move from observing the most obvious traits that can divide the organisms to the most specific traits, offering 2 choices each time. This approach aligns with the principle of maximum parsimony, which suggests selecting the pathway with the fewest major events. By beginning with the most general traits, the dichotomous key can effectively narrow down to more specific characteristics, resulting in a logical and systematic classification or identification of species.
The best way to develop a dichotomous key is to move from observing the most obvious traits that can divide the organisms to the most specific traits, offering 2 choices each time. This approach allows for a systematic and logical progression in identifying and classifying organisms based on their traits. By starting with the most obvious traits, it helps narrow down the options and makes the key more user-friendly.
5. What is the best-known feature of sedimentary
rocks?
Bedding. Bedding is often the most obvious feature of a sedimentary rock and consists of lines called bedding planes, which mark the boundaries of different layers of sediment. Most sediments were deposited along a flat surface that was roughly parallel with the depositional surface.
Birds are endotherms. Which statement accurately describes what this means? Birds feed and protect their young after they hatch. Birds have two different types of feathers. Birds can maintain a consistent body temperature. Birds have internal fertilization and lay eggs.
Answer:
c
Explanation:
Birds are endotherms, so the statement accurately describes that birds can maintain a consistent body temperature, which is the third option, as endotherms maintain a consistent body temperature.
What is the significance of the bird being endothermic?Birds are endothermic, which means they can maintain their body temperature without being affected by the external effects of the climate, and as they require a large amount of energy for flying, this allows them to generate the necessary heat to power their flight muscles. Maintaining a constant internal body temperature is necessary for many physiological processes such as digestion, respiration, hemostasis, etc.
Hence, birds are endotherms, so the statement accurately describes that birds can maintain a consistent body temperature, which is the third option, as endotherms maintain a consistent body temperature.
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Identify the consumers in the food chain.
Letter __ represents the primary consumer.
Letter __ represents the tertiary consumer.
Answer:
b and d
Explanation:
In the food chain, consumers are organisms that feed on other organisms. Primary consumers, like rabbits, eat producers such as plants whereas tertiary consumers, such as eagles, eat secondary consumers. The letters assigned to these consumers would depend on their placement in an example food chain.
In a food chain, consumers are organisms that eat other organisms. The primary consumer is at the second level of the food chain, and they predominantly eat producers, such as plants and algae. For example, rabbits eating grass. Corresponding to the letters, if grass is represented by a letter A and rabbits by B, then letter B would represent the primary consumer. The tertiary consumer is usually at the fourth level of the food chain, they are typically carnivores that eat secondary consumers. For instance, if we have snakes that eat rabbits and eagles that eat snakes, the eagle would be the tertiary consumer. Hence, if eagles are represented by the letter D, then that letter D would represent the tertiary consumer.
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Describe (in complete sentences) and give at least 3 examples of pioneer species. *
Answer:
Plankons, fungi, bacteria, lichens etc. are the pioneer species of ecological succession. Pioneer species are hardy species which are the first to colonize previously biodiverse steady-state ecosystems. Some lichens grow on rocks without soil, so may be among the first form of life the example includes bacteria, fungi, and lichens.
Explanation:
What are the 3 main ocean zones?
Answer:
The oceanic zone is subdivided into the epipelagic, mesopelagic, and bathypelagic zones on the basis of amount of light that reaches different depths.
What are three parts that create an amino acid
Answer:
The three parts of an amino acid are the carboxyl group, the amino group, and the central carbon that contains the R group.
Explanation:
Match each of Earth's spheres with the correct description.
hydrosphere
all of Earth's living things
atmosphere
air surrounding Earth
geosphere
Earth's interior, rocks, minerals, and
landforms
biosphere
oceans, lakes, glaciers, rivers, streams, and
groundwater
The hydrosphere encompasses all the Earth's water, the atmosphere is the layer of air surrounding Earth, the geosphere includes Earth's interior and landforms, and the biosphere contains all living things that interact with other spheres.
Explanation:The hydrosphere includes all the water that is on Earth, encompassing freshwater sources such as rivers and lakes, saltwater in the oceans and estuaries, groundwater, and atmospheric water vapor. Ice in forms like glaciers also falls under the hydrosphere category, and it is critical for many aspects of life and climate regulation.
Surrounding the Earth is the atmosphere, a layer of gases that are essential for life, providing breathable air and protecting us from harmful radiation from the sun. The atmosphere influences weather and climate and is where clouds form, containing partly the water vapor component of the hydrosphere.
The geosphere refers to Earth's interior, which includes rocks and minerals, landforms, and the sea floor. This sphere is the solid foundation of our planet, where plants and animals reside, and it interacts with the other spheres to drive the planet's processes.
The biosphere represents all the living things on Earth and can be found interacting within the lithosphere (land), hydrosphere (water), and atmosphere (air). This includes land plants and animals, freshwater and marine organisms, birds, bacteria, and fungi among others.
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How does granite relate to continental crust?
All granite can only be found in really old continental crust.
All continental crust is made of granite.
Granite cannot be found oceanic crust.
Granite can be mined in continental crust.
Answer: All continental crust is made of granite.
Explanation:
The earth consists of multiple layers and the lighter particles are found on the upper surface and the heavier particles tend to settle in the base of the earth.
The continental crust is layer of earth which is composed of igneous, metamorphic and sedimentary rocks they usually forms the continents and the areas of the shallow seabed.
This area is base and usually consists of the heavier particles which is usually made of granite. It also contains volcanic lava and rock called basalt. Basalt and granite are heavier particles so they make continental crust.
If a sample of DNA contains 20% C nucleotides, what percent of G nucleotides would there be. Explain
Answer:
The perecentage of guanine is 30%
Explanation:
the DNA from any cell of all organisms should have a 1:1 ratio (base Pair Rule) of purine bases [for the DNA cytosine, thymine and for the RNA uracil] and pyrimidine bases [guanine and adenine for RNA and DNA]. The amount of guanine should be equaled to cytosine and the amount of adenine should be equaled to thymine. You can follow this rule in both strands of the DNA.
Answer:
The perecentage of guanine is 30%
Explanation:
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B = Brown eyes, b = blue eyes. Cross two heterozygous individuals. Give genotypic and phenotypic ratios. Assume dominant/recessive alleles.
Genotypic ratio: ___________:______________:______________
Phenotypic ratio: ___________:______________:______________
Final answer:
Crossing two heterozygous individuals for brown and blue eyes yields a genotypic ratio of 1 BB:2 Bb:1 bb and a phenotypic ratio of 3 brown-eyed to 1 blue-eyed offspring.
Explanation:
When crossing two heterozygous individuals for eye color where B represents the dominant allele for brown eyes and b represents the recessive allele for blue eyes, the genotypic ratio is derived from the possible combinations of these alleles. A Punnett square for a heterozygous cross (Bb x Bb) will produce the following genotypes: BB, Bb, Bb, and bb. This results in a genotypic ratio of 1:2:1 (1 BB:2 Bb:1 bb). The phenotypic ratio, which looks at observable traits, will be 3:1 since the dominant brown eye allele will mask the blue eye allele in heterozygous individuals. Therefore, we will get 3 brown-eyed (BB or Bb) to 1 blue-eyed (bb) individuals.
Emily is developing a computer model of protist populations in certain areas of the ocean, and how they help maintain homeostasis in ecosystems. Photosynthetic protists play essential roles in the environment, especially in oceans and lakes. If a hypothetical catastrophic event drastically reduced the population of zooxanthellae, a photosynthetic protist with a specific habitat, which statement describes the most likely result?
A drastic reduction in the population of the photosynthetic protist zooxanthellae would likely lead to severe disruptions to the ecosystem, including coral bleaching, decreased biodiversity, and a reduction in the quantity of photosynthesis, which would directly affect food chains.
Explanation:If a hypothetical catastrophic event drastically reduced the population of zooxanthellae, a photosynthetic protist, the most likely result would be a major disruption to its specific ecosystem. Zooxanthellae are symbiotic with coral polyps, providing them with essential nutrients derived from photosynthesis. In return, the coral provides the protist with a protected environment and the compounds necessary for photosynthesis. This symbiosis is particularly critical in nutrient-poor oceanic environments, with zooxanthellae enabling corals to secrete the calcium carbonate skeletons that form reefs.
Consequently, a major population reduction of zooxanthellae could lead to a phenomenon known as coral bleaching, where corals lose their algal pigments and eventually die. This loss would have significant implications for the entire reef ecosystem. Coral reefs, for example, provide shelter and food to a wide variety of marine organisms; therefore, their destruction would negatively impact biodiversity and the stability of oceanic ecosystems.
Moreover, since photosynthetic protists like zooxanthellae are important primary producers, their drastic reduction could significantly diminish the amount of photosynthesis in oceanic ecosystems. This effect on photosynthesis would mean less carbon fixation, which could impact food chains and the availability of organic molecules necessary for life, especially for those species that directly consume protists.
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Hairy stems (H) are dominant in tomato plants. Hairless stems (h) are
present in tomato plants that are homozygous recessive for this trait.
What percent of tomato plant offspring will have hairy stems if a
homozygous hairy plant is crossed with a heterozygous hairy plant?
If a homozygous hairy plant (HH) is crossed with a heterozygous hairy plant (Hh), all of the offspring will be heterozygous hairy (Hh). This means that 100% of the tomato plant offspring will have hairy stems.
What are homozygous and heterozygous traits?In genetics, the term "homozygous" refers to an individual that has two copies of the same allele for a particular trait. For example, if an individual has two copies of the allele for brown eyes (BB), they are homozygous for the trait of eye color.
On the other hand, the term "heterozygous" refers to an individual that has two different alleles for a particular trait. For example, if an individual has one allele for brown eyes (B) and one allele for blue eyes (b), they are heterozygous for the trait of eye color.
An individual's genotype, or the specific alleles they possess, can determine their phenotype, or the physical characteristics that they exhibit. For example, an individual with a genotype of BB (homozygous for brown eyes) would exhibit the phenotype of brown eyes, while an individual with a genotype of Bb (heterozygous for eye color) might exhibit either brown eyes or blue eyes, depending on the dominance of the alleles they possess.
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Final answer:
When a homozygous hairy tomato plant is crossed with a heterozygous hairy plant, 100% of the offspring will have hairy stems, due to the dominance of the hairy allele.
Explanation:
The question asks: What percent of tomato plant offspring will have hairy stems if a homozygous hairy plant is crossed with a heterozygous hairy plant? Given that hairy stems (H) are dominant over hairless stems (h), the crossing can be denoted as HH (homozygous hairy) x Hh (heterozygous hairy).
HH (homozygous parent) can only pass on an H allele.Hh (heterozygous parent) can pass on either an H or h allele.This results in the following possible genotypes for their offspring: HH or Hh. Since both HH (homozygous dominant) and Hh (heterozygous) plants will have hairy stems due to the dominance of the H allele, 100% of the offspring will exhibit hairy stems.
This trophies pyramid shows the different types of organisms in an ecosystem. Why do you think a pyramid shape is used to show this categorization?
Question 14(Multiple Choice Worth 4 points)
(02.02 LC)
Which of these serves as a reference for comparison during a scientific investigation?
Outcome variable (dependent variable)
Test variable (independent variable)
Control group
Hypothesis
Answer:
control group
Explanation:
The frequencies of a color trait among rabbits living in a
mountainous area have changed over time. What type of
selection most likely occurred?
a. directional
b. disruptive
c. stabilizing
d. sexual
Question 28 (1 point)
Which of the following is not a metric measure of volume?
O centimeters cubed
ograms
liters
amount of water in a baby bottle
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Final answer:
The option that is not a metric measure of volume is 'ograms,' as it is not a valid metric system unit. Centimeters cubed and liters are both metric measures of volume.
Explanation:
The student asks which of the following is not a metric measure of volume. The options given are centimeters cubed, ogams, liters, and the amount of water in a baby bottle. The metric measures of volume typically include units like liters, milliliters (mL), and cubic centimeters (cm³). These units are part of the International System of Units (SI units) used for volume measurements.
The correct answer is 'ograms' as this is not a valid measure of volume in the metric system. The option 'amount of water in a baby bottle' could refer to a metric volume if measured in liters or milliliters. Centimeters cubed (cm³) and liters are both standard metric units of volume. A milliliter is equivalent to one cubic centimeter, and thus these measurements can be used interchangeably for liquid volumes.