Answer: levels of pollution
It’s right
Which of the following processes can all of the above organisms perform in order to maintain stable internal environments?
get rid of waste
reproduce
extract energy from food
Answer: all of the above
Explanation:
The processes that organisms perform in order to maintain stable internal environments may include getting rid of waste, reproducing, and extracting energy from food. Thus, the correct answer to this question is all of the above.
What is the process of maintaining the internal environment called?The process of maintaining the internal stable environment in living organisms is known as homeostasis. It is the state of maintaining steady internal, physical, and chemical conditions maintained by living systems.
This biological process balances all the body systems that are required for the body to survive and function correctly. It subsequently defines the ability or tendency of an organism to control and maintain a constant or same internal environment. It includes the process of digestion, reproduction, excretion of waste, extraction of energy from food, etc.
Therefore, all of the organisms on this planet perform all processes in order to maintain stable internal environments.
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What is the main principle behind the law of conservation of matter?
A
Mass does not change phase during a reaction.
b
The total mass does not change during a reaction.
c
Heat is added during a reaction for the mass to remain constant.
D
Mass will always remain constant unless a change has occurred.
According to law of conservation of matter, mass can neither be created nor destroyed. Therefore option (B) is the correct answer.
What fundamental idea underlies the law of conservation of mass?The fundamental idea that underlies the law of conservation of mass is, a body's mass remains constant while it is in motion. This can be expressed in rate form as the rate at which the mass of a body changes over time to zero.
For instance, when coal is burned, the carbon atom in it transforms into carbon dioxide. The carbon atom transforms from a solid to a gas, yet its mass remains constant.
This proves that in a chemical process, no new or lost atoms are created. Instead, the atoms combine in a variety of ways to create goods.
Hence , option (B) which states that mass is conserved is the correct answer.
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dentify the part of the brain indicated by the red arrow
Answer:
D im almost sure
Explanation:
Answer:
cerebrum
Explanation:
the cerebrum comprises the majority of the brain and is highly involved in memory, language processing, learning, general thought, and consciousness.
Line is the visual path the eye follows to produce
A stopping point
O A feeling of motion
A sense of proportion
O A feeling of balance
A strand of DNA that has the bases ATCCGGTACG would make a complementary strand
type your answer...
Which ecosystem is the least stable?
A. A patch of lichens on bare rock
B. A rain forest on a small island
C. A savanna on a large volcanic island
D. A vast coral reef in a warm ocean
Answer:
A. Patch of Lichens on a bare rock
Explanation:
the tissue that carries electrical message throughout the body is _____ tissue.
Answer:
the tissue that carries electrical message throughout the body is bad tissue.
Answer:
fiber
Explanation:
Imagine you are a detective examining a crime scene. You are trying to
identify the person who committed the crime, so you collect many samples at
the crime scene. Which sample would be most useful in identifying the
person who committed the crime?
O
A. A watch and keys found at the crime scene
O
B. Pieces of flooring from the crime scene
O
C. Drops of blood found at the crime scene
O
D. Plants growing at the crime scene
Answer:
C
Explanation:
The sample that would be most useful in identifying the person who committed the crime would be option C: drops of blood found at the crime scene, as blood contains genetic material in the form of DNA.
What are DNA and a blood sample?DNA (deoxyribonucleic acid) is a molecule found in cells that contains genetic information. DNA is unique to each individual, except in the case of identical twins, and can be used to identify a person through a process called DNA profiling or DNA fingerprinting.
When blood is left at a crime scene, it contains DNA that can be analyzed by forensic scientists to create a DNA profile of the person who left the blood. This is usually done through a process called PCR (polymerase chain reaction), which amplifies the DNA found in the sample so that there is enough material for analysis. Once the DNA has been amplified, it can be analyzed to create a DNA profile.
Hence, the sample that would be most useful in identifying the person who committed the crime would be option C: drops of blood found at the crime scene, as blood contains genetic material in the form of DNA.
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What do prokaryotes have in common with eukaryotes?
O A. They both have a Golgi apparatus.
O B. They both have a liquid cytoplasm.
O C. They both have a nuclear membrane.
O D. They both have mitochondria.
Both prokaryotes and eukaryotes have a liquid cytoplasm
Prokaryotes and eukaryotes both have liquid cytoplasm where cell metabolism occurs. They do not share other features like Golgi apparatus, nuclear membrane, or mitochondria - these are exclusive to eukaryotes. option B is the correct answer .
Explanation:Prokaryotes and eukaryotes, despite their differences, share some common features. The main commonality between these two types of organisms is that they both have a liquid cytoplasm, where all of the cell's metabolic events occur. Neither a Golgi apparatus, a nuclear membrane, nor mitochondria are common to both, as these are typically features of eukaryotic cells. For instance, a nuclear membrane, which encloses the genetic material, is absent in prokaryotic cells and the Golgi apparatus, a packaging center for proteins, is also exclusive to eukaryotes. Similarly, mitochondria, the powerhouse of the cell, are only found in eukaryotes.
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PLEASE HELP ME!
In his expedition Charles Darwin saw a variety of finches in the Galapagos Islands. He
suggested that a finch might of migrated from the mainland. He believed that over time the
new generations adapted to the islands and the beaks in offspring showed variation.
Explain how can scientists use the different evidence of evolution to prove this.
You got this from edg, am I correct. Well he had evidence by drawing and saw the differences between between normal finches to to the ones of Galapagos island. There were 4 different finches, two had a thick beak and two others had thin beak for small wholes where insects might be hiding. He observed the differences between the beaks.
Explanation:
Final answer:
Charles Darwin observed a variety of finches in the Galapagos Islands and suggested that they may have migrated from the mainland. Scientists can use evidence such as the graded series of beak sizes and shapes and the correlation between beak shape and food acquisition to prove this.
Explanation:
In his expedition, Charles Darwin observed a variety of finches in the Galapagos Islands and suggested that a finch might have migrated from the mainland. He believed that over time, the new generations of finches adapted to the islands, resulting in variation in their offspring's beaks. Scientists can use different evidence of evolution to prove this, such as the observation of a graded series of beak sizes and shapes in the Galapagos finch species, the resemblance of the finches to a mainland finch species, and the correlation between beak shape and food acquisition.
PLEASE HELP ASAP WILL MARK BRAINLIEST!!!
1. Type of asexual reproduction (mitosis) where a specialized reproductive cell is surrounded by a hard outer casing
Ans: _ _ _ _ u _ _ _ _ _ _
(To clarify it can be two words but that’s how many letters are in it and there’s a “u” on the fifth letter)
2. the location in the female reproductive system where fertilization occurs
Ans: _ _ i _ _ _ _
(To clarify it can be two words but that’s how many letters are in it and there’s a “i” on the third letter)
The process of asexual reproduction where a reproductive cell is enveloped by a hard outer casing is spore formation. Regarding the female reproductive system, fertilization generally happens in the Fallopian tube.
Explanation:The type of asexual reproduction where a specialized reproductive cell is surrounded by a hard outer casing is called spore formation. This is a common method of asexual reproduction in fungi, algae, and some plants. In this scenario, the parent organism produces spores - small, lightweight cells capable of growing into new organisms without the need for fertilization.
The location in the female reproductive system where fertilization occurs is known as the Fallopian tube. The Fallopian tubes connect the ovaries to the uterus. After ovulation, the oocyte (egg) travels into the Fallopian tube where it can be fertilized by sperm.
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Why is photosynthesis important in the carbon cycle
Answer: Because
Explanation:
2.
Originally, scientists classified
organisms into five kingdoms based,
in part, on structure.
O cell
family
organ
Answer:
On structure
Explanation:
Robert Whittaker classified the organisms in a broader sense based on many characteristics which could be the limitations of the previous system of classification.
The Whittaker classified the organisms into five large kingdoms called monera, protist, fungi, plants and animals. The basis for this classification is the cell occurrence, their mode of nutrition and cell structure.
In the given question, since the only structure of cell option is provided therefore will be the correct option.
Thus, On structure is correct.
Answer:
cells
Explanation:
Which of the following best defines instantaneous speed? (3 points)
It is a measure of how far an object moves in a certain time.
It is the total distance traveled over the total time.
It is the speed of an object in a specific direction.
Answer:
option 1st
Explanation:
"It is measure of how far an object moves in a certain time".and there is a one more definition of instantaneous speed
"The speed of an object at any instant during its motion is called Instantaneous Speed".I HOPE THAT THIS ANSWER HELPS YOUAnswer:
(A) It is measure of how far an object moves in a certain time.
Explanation:
Which of these changes in the foodweb would cause a decrease in the population of tundra swans?
A. A decrease in the population of vegetation
B. An increase in the population of benthic invertebrates
C. An increase in the population of wading birds
D. A decrease in the population of osprey
Answer:
I believe it would be a
Explanation:
It eats the vegetation so less food means they have less chance of survival
Final answer:
A decrease in the population of vegetation (option A) would most directly cause a decrease in the population of tundra swans by undermining the support of the food web.
Explanation:
The question asks which changes in the food web would cause a decrease in the population of tundra swans. Considering the given options:
A decrease in the population of vegetation could potentially lead to a decrease in the population of tundra swans, as the vegetation is likely a primary food source for organisms that tundra swans feed on.An increase in the population of benthic invertebrates, which might be part of the tundra swan's diet, would not cause a decrease in swan population.An increase in the population of wading birds may lead to increased competition for food resources with the tundra swans.A decrease in the population of osprey, which might be a predator or a competitor, could have complex effects, but is less likely to directly cause a decrease in tundra swan populations compared to the other factors.The most accurate answer is option A: A decrease in the population of vegetation could lead to a decrease in the population of tundra swans, by reducing the overall food web support.
What are three ways in which carbon dioxide is put back into the earth?
Answer:
below
Explanation:
when an organism decays, burning fossil fuels, respiration/breathing.
These are the top three that come to my head, hope this works :)
Explain the difference between selective breeding and genetic engineering in the development of food crops with desirable traits.
What is a species?
(you can come up with your own definition based on your current knowledge!)
WILL MARK BRAINLIEST!! please help as quick as possible!!
What is similar about the primary structure of each protein?
The proteins are:
Milk
Meat
Eggs
Answer:
They are similar to the protein structure found in our bodies!
Explanation:
In plants, asexual reproduction is most likely to occur through the:
A Seeds incorrect answer
B Roots incorrect answer
C Flowers incorrect answer
D Leaves incorrect answer
In plants, the asexual reproduction is most likely to occur through the stems, roots, and buds. Thus, the correct option is B.
What is Asexual reproduction?Asexual reproduction is the process of reproduction which does not involve gamete formation and fertilization. In asexual reproduction, only one parent is involved.
Asexual reproduction in plants is also called as vegetative propagation. Asexual reproduction in plants mainly occurs in the roots, stems, and the buds. Asexual reproduction does not involve seed and flower formation.
Therefore, the correct option is B.
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Final answer:
Asexual reproduction in plants often occurs through roots or other plant parts such as stems and leaves, with roots being a common method. For instance, dandelions reproduce asexually via roots, leading to genetically identical clones of the original plant.
Explanation:
In plants, asexual reproduction can occur through various organs such as leaves, stems, and roots. However, roots are commonly used for this type of reproduction. For example, the dandelion uses its roots for asexual reproduction, and woody trees like poplars and aspens can send up new stems from their roots. This can eventually lead to the creation of an entire grove of trees that are clones of the original plant. A noticeable advantage of asexual reproduction is that when cuttings or buds are taken from an adult plant or plant parts, the resulting plant will grow into an adult faster than a seedling. Many plants, like garlic and strawberries, also use underground storage organs like bulbs, corms, tubers, and runners for asexual reproduction.
Spring tides are the lowest tides of the year.
True
False
Answer:
False
Explanation:
Hope this helps :))
Answer:
true
Explanation:
Trust me, its true
Which options identify what the arrows in the diagram
represent? Check all that apply.
atoms
elements
energy
gas
particles
Hurry
Answer:
pictures....
Explanation:
pictures
When do cells differentiate? That is, when do cells first become different kinds of cell-muscle cells, nerve cells, reproductive cells,
etc.?
A
during the 19 trimester
B.
during the 3rd trimester
C.
during the 2nd trimester
D.
before fertilization
Answer:
during the 1st trimester
Explanation:
Just did it on study island
Cellular differentiation begins in the third week after fertilization, where unspecialized stem cells become various specialized cell types. The correct option seems to be missing which is the third week after fertilization.
Cells begin the differentiation process early in embryonic development. Specifically, cellular differentiation starts during the third week after fertilization when the embryo starts to form various specialized cells. This is when stem cells become specialized into cell types such as muscle cells, nerve cells, and reproductive cells. As part of this process, certain genes are activated, indicating the cells' transition into different forms with unique structures and functions suitable for their roles in the body.
Scientists studying human genes could obtain DNA from a cell’s
A.vacuole
B. ribosome
C. nucleus
D. cytoplasm
Answer: C. Nucleus
Explanation:
which is part of the theory of evolution by natural selection all animals in a
population
The theory of evolution by natural selection suggests that variation within populations facilitates adaptation and survival as environmental conditions change. Natural selection favors individuals with traits suitable for survival and reproduction in their environment, leading to evolutionary changes over time. Thus, variation is critical for the evolution of populations and species.
Part of the theory of evolution by natural selection is that all animals in a population do not display identical traits, as there exists natural variation within the population. This variation is essential because it provides a pool of different characteristics from which natural selection can occur. Individuals within a population that have traits better suited for survival and reproduction in their environment are more likely to pass on these favorable traits to their offspring, shaping the population over time. If an environmental change occurs, the presence of variation increases the likelihood that some individuals will already possess traits that make them apt to survive the change, thus allowing the population as a whole to persist. Natural selection plays a critical role in how populations evolve and how new species may arise, especially when populations become genetically isolated due to various factors like geographic barriers.
It's important to note that a completely homogeneous population where all individuals are genetically identical clones would have zero evolvability, as there would be no divergent traits for natural selection to act upon in the face of environmental changes. Therefore, variation within populations is crucial for the evolution of populations and for the survival of species through changing conditions.
In summary, the theory of evolution by natural selection explains that the inherited traits of a population change over time, influenced by the organism's ability to survive and reproduce in the environment. The uncontrolled growth potential of populations is checked by various external factors like predation and competition, which also play a role in evolution as they affect the survival and reproductive success of individuals.
The correct option is C because Small changes add up over many generations.
The concept of gradual change over time through the accumulation of small variations within populations. These variations can be inherited and can lead to changes in the characteristics of populations over successive generations, driving the process of evolution.
The other options are incorrect because
A. All animals in a population are able to reproduce: While reproduction is necessary for evolution, not all individuals in a population may be equally successful at reproducing.
B. Adaptations cannot be passed along to later generations: This contradicts the core principle of heritability. Traits that are beneficial for survival and reproduction can be passed on to offspring.
D. Animals have no variation among themselves: Variation is essential for natural selection to work. Individuals within a population exhibit differences in traits, which provide the raw material for evolution.
The complete Question is
Which is part of the theory of evolution by natural selection?
A. All animals in a population are able to reproduce.
B. Adaptations cannot be passed along to later generations.
C. Small changes add up over many generations.
D. Animals have no variation among themselves.
If an object is moving in a straight line at a steady speed, then the forces acting on it are
balanced.
True
False
Where would you expect to find the kelp forest, a type of algae, pictured here and why?
answer:
Where would you expect to find the kelp forest, a type of algae, pictured here and why? Algae live only in the epipelagic zone because it is the only zone with enough light for photosynthesis. During an El Niño year, there is increased precipitation in the Southern United States, but the north is warmer and dry
Choose all of the following that are examples of evidence for evolution.
Choose all of the following that are examples of evidence for evolution.
a
fossils
b
geographical distribution
c
embryology
d
comparative anatomy
e
carbon dating
f
artificial distribution
Answer:
A B C D
Explanation:
Following are examples of evidence for evolution:
a. fossils
b. geographical distribution
c. embryology
d. comparative anatomy
e. carbon dating
What is evolution?Evolution is the process by which species of living organisms change over time through natural selection. It is a slow and gradual process, occurring over millions of years, that results in new species emerging through genetic mutations and adaptations to their environment.
The concept of evolution was first proposed by Charles Darwin in the 19th century and has since been widely accepted as the scientific explanation for the diversity of life on Earth.
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25 POINTS!!! PLZZ HURRY, IM BEING TIMED
Which structures do plant cells have for making food that animal cells do not? mitochondria vacuoles lysosomes chloroplasts
Answer:
Chloroplasts
Answer:
It's the chloroplast.
Explanation:
Pls mark as brainliest!
Which of the following is a true statement about scientific theory
Answer:
A. Scientific theory may be revised.
Explanation:
Scientific theory is based on the current scientific research. If new research is conducted and different conclusions made, then a theory may be revised.
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