Blood cell production in soft marrow tissues and mineral reserves. Therefore, option (A) is correct.
The skeletal system is a complex framework of bones, cartilage, and connective tissue that provides structural support and protection for the body's organs and tissues. It consists of 206 bones in adults, which are connected to each other by ligaments, tendons, and muscles, allowing for movement and flexibility.
The skeletal system also plays a crucial role in producing blood cells, storing minerals such as calcium and phosphorus, and supporting the body's weight. Without the skeletal system, the body would not have the necessary support to maintain its shape, nor would it be able to move or perform many of its vital functions.
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Animals have a variety of adaptations, including trachea and gills, which allow this key process to occur. Which provides the molecules necessary for cellular respiration and efficient ATP synthesis? A. Digestion B. Gas exchange C. Nutrient absorption D. Waste elimination
Answer:
b
Explanation:
For oxygen
what is the region of earth that provides support for all living things
Answer:
Biosphere
Explanation:
Answer:
The biosphere is the region of the Earth that supports all living things
Explanation:
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Select the correct answer.
Which mutation is harmful to the organism?
A.
a mutation allowing moths to camouflage better on blackened tree bark
B.
a mutation making Staphylococcus aureus resistant to the antibiotic methicillin
C.
a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell
D.
a mutation causing uncontrolled cell division
E.
a mutation giving plant leaves a bitter taste to discourage herbivores from eating them
Answer:
D. A mutation causing uncontrolled cell division
Explanation:
Cell division is controlled by various mechanisms. Any mutations in the genes regulating the cell division lead to uncontrolled cell division. Loss of control over the process of cell division leads to the formation of tumors.
These tumors may cause cancer if they are transformed into malignant tumors. Hence, a mutation that causes loss of control over cell division is harmful.
Answer:
D
Explanation:
Which two hypotheses can be supported with quantitative data?
A) People who eat low-protein diets are more likely to have less muscle mass.
B) It’s ethical to eat a vegetarian diet.
C) People are happier during the summer than during the winter.
D) Eating an organic diet makes people feel better.
E) Eating less salt lowers blood pressure over time.
describe the relationship between fish and coral
Answer:
Commercialism. The fish have protection from predators , so they benefit. The coral does not benefit from the fish though
sorry if my spelling is off
Which structure is the site of photosynthesis within a plant? A. Roots B. Stomata C. Xylem D. Leaves
Answer:
The site of photosynthesis of a plant a.k.a kitchen of a plant is the leaf.
Explanation:
The leaf is the site of photosynthesis because its broad surface can absorb sunlight. Chloroplast is present in leaves, which contains chlorophyll which is a key factor of photosynthesis. The leaf has stomata under its surface which is responsible for gaseous exchange. Therefore, leaves act as the primary location for photosynthesis.
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Final answer:
Leaves are the major site of photosynthesis in plants, specifically within a layer called the mesophyll, and gas exchange occurs through regulated openings known as stomata.
Explanation:
The major site of photosynthesis in plants is the leaves. Photosynthesis occurs in a middle layer of the leaf called the mesophyll, where cells contain chlorophyll, the green pigment crucial for this process. The gas exchange of carbon dioxide and oxygen essential for photosynthesis takes place through the stomata, which are regulated openings typically found on the underside of the leaf. These stomata are controlled by guard cells that respond to osmotic changes to regulate the loss of water and the intake of carbon dioxide.
Photosynthesis is the process in which green plants, algae and some bacteria convert light energy from the sun into chemical energy in the form of glucose (a type of sugar) and oxygen. This process takes place in the chloroplasts which are located in the leaves of a plant. The chloroplasts contain chlorophyll, a green pigment that captures light energy from the sun and uses it to convert carbon dioxide and water into glucose and oxygen during photosynthesis. Therefore, the correct option is D. Leaves.
which describes a role of enzymes
Answer:
Enzymes fulfill many important functions in our bodies. One of their main functions is to accelerate the rate of all chemical reactions that occur in our bodies. Besides, some enzymes help the body digest large molecules by breaking them into small pieces. They also help with the metabolism process.
Which best describes scientific facts?
observable and objective
true and subjective
unsupported and believed
estimated and unquestioned
Answer:
Observable and objective
Explanation:
Scientific facts require repeatable experiments or proven qualities that can be repeated over and over again. If you do an experiment to verify a scientific fact, I should be able to do the same experiment and get the same result.
A scientific fact does not and cannot change.
Scientific facts are best describes by observable and objective. Thus, option A is correct.
What are scientific thinking?Scientific thinking is a type of knowledge that includes intentional information seeking, including asking questions, testing hypothesis and making observations as well as recognizing pattern.
The scientific or scientists are clear as to the purpose at hand and questions at the issue. The scientific essential standards that should be implies on the elements of scientific thought such as clarity relevance depth, breath, logic and accuracy.
The scientific thinking prefers to thinking about the content of science and the set of reasoning process.
The example of scientific thinking is that question information, conclusions and points of view which is strive to be accurate, relevant and precise.
Therefore,Scientific facts are best describes by observable and objective. Thus, option A is correct.
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How does upwelling affect coastal fisheries?
Upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water.
Upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water.
Upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water.
Upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.
Answer:
Upwelling improves the nutrient supply at coastal fisheries as the cold, nutrient-rich water replaces the warm, nutrient-poor surface water
Explanation:
The upwelling is simply the process through which the cold water rises up toward the surface, pushes and moves away the warmer water, until it gets warmer and is pushed by the colder water blow it. The cold water that rises toward the surface is nutrient-rich, while the warm surface water is nutrient-poor. By having the nutrient-rich cold water come toward the surface, the coastal fisheries have great benefit, as the more nutrients there are, the more fish there will be for them to catch.
Match the type of of evidence for evolution with the correct example.
Answer: 1) vestigial structures 2) Analogues structures 3) DNA sequence data 4) Homologues structures
Explanation: vestigial structures also called vestigial organs, lost their function in some organisms whereas playing a important role in others.
Analogue structures have different structures but same function.
DNA sequencing is a method which is used to check similarities among different group of organisms.
Homologues structures have same structure with different functions.
Answer:
Homologous structuresAnalogous structuresDNA sequence dataVestigial structuresExplanation:
Evidence of evolution is the physical and biological characteristics that supports the theory of evolution, it may be:
AnatomicalMolecular biologyBiogeographyFossilsDirect observationWhich is a vascular tissue in plants?
A. phloem
B. fungi
C. leaves
D. roots
Answer: Phloem
Explanation: In higher plants, the phloem is a vascular tissue that carries sugars and other nutrients synthesized from the organs that produce them, to those in which they are consumed and stored. The phloem is organized in vascular bundles (see image below) , which are longitudinal filaments of the conductive tissue associated with the water-conducting tissue or xylem. The vascular bundles are important structural organs of the herbaceous stems and the leaf nerves.
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what is the 77 element on the periodtic table
Answer:
Iridium
Explanation:
A very hard, brittle, silvery-white transition metal of the platinum group, iridium is the second-densest metal (after osmium) with a density of 22.56 g/cm3 as defined by experimental X-ray crystallography.
Answer:
Iridium, with atomic number 77 and two stable isotopes, 191 and 193, is formed in a platinum alloy in the regular bar and the weight used for many years to define the meter and the kilogram.
What Iridium is?
Iridium is a very strong, fragile and thick metal and is very rare, too. Iridium is the most corrosion-resistant compound in the Periodic Table of Elements. It has the largest density of all the elements, too. Since it is resistant to deterioration, it is used to set standards for weights and measures.
Which two molecules do green plants use to make glucose?
O
A. Nitrogen and water
O
B. Hydrogen and oxygen
O
C. Carbon dioxide and water
O
D. Methane and iron oxide
Answer:
C. Carbon dioxide and water
Explanation:
The Carbon and Oxygen from glucose come from Carbon Dioxide and the Hydrogen and Oxygen come from the water.
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Carbon dioxide and water two molecules do green plants use to make glucose.
Do green plants make glucose?
In contrast to humans and other animals, plants can produce glucose through a process known as photosynthesis.
What 2 molecules are used in photosynthesis?
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen.
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Which of the following diseases might be susceptible to antiviral drugs?
A. African sleeping sickness
B. Chickenpox
C. Tuberculosis
D. All of the above
Answer A
Explanation:
Which statement is true about crossing over of genes? A. Crossing over does not occur between genes that are far apart from each other on a chromosome. B. Frequency of crossing over is related to the distance between linked genes. C. Genes that are close to each other frequently cross over.
Answer:
B
Explanation:
The closer together that particular genes are to each other, the less likely that they will separate during crossing over and the more likely that they are inherited together by offspring – this is a test of linkage of genes. Genes on separate chromosomes are more likely to cross over than genes on the same chromosome.
A boy with an extra X chromosome probably has which of the following syndromes?
Answer:
Klinefelter syndrome I took the plato test and got a 100
Explanation:
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Why would a rough steep mountain habitat have a higher rate of speciation than a large open grasslands habitat?
A rough steep mountain habitat will have a higher rate of speciation than a large open grassland. The reason for that is that the open grassland has monotonous living conditions all through it, thus the species are the same with the same adaptations all over it. The rough steep mountain habitat, on the other hand, has multiple different living conditions. The different living conditions are defined by the elevation, and in accordance to it there will different species living at different elevations. Also, the mountain is a natural barrier for the air masses, so while on one side of it there's rainfall, on the other one there's dry weather conditions, which again creates different living conditions, different adaptations by the living organisms, thus different species.
Answer:
The mountains prevent organisms from interacting.
Looking at the phylogenetic tree, which three statements can you make about the interconnectedness of the species A, B, C, D, and E?
Species A and C may have shared features from a common ancestor.
Species C is more related to species D than species D is related to species E.
Species B and C are more closely related than species C and D.
Species B and E may have shared features from a common ancestor.
Species A is more related to species B than species B is related to
*****Three answers you have to choose*****
Answer:
- Species A and C may have shared features from a common ancestor
- Species B and E may have shared features from a common ancestor
- Species A is more related to species B than species B is related to (any of the other species)
Explanation:
From this phylogenetic tree we can see that all five species have a shared distant, common ancestor, meaning that they all evolved from a single species. Because they all share the same common ancestor, there's every chance that the species A and C, or species B and E, share some features from their common ancestor even though they have become separate species and have been so for longer period of time. If we look at the present bonds, than we can see that the species A and B are much more closely related between each other than with any of the other species, and the same can be inferred for the species D and E.
Based on the phylogenetic tree, we can surmise that Species A and C, Species C and D, as well as Species B and E share features from common ancestors, with the shared features indicating the degree of relatedness and the likelihood of more recent common ancestry for each paired comparison.
Explanation:Analyzing a phylogenetic tree helps us understand the evolutionary relationships between different species. When a scientist conducts a genetic analysis by determining the number of genetic similarities among species, certain patterns emerge. These patterns allow us to make educated statements about the relatedness of different species.
Based on the information given, we can deduce the following:
Species A and C may have shared features from a common ancestor, indicating they are part of a lineage that diverged from a common node on the phylogenetic tree.Species C is more related to species D than species D is related to species E, suggesting that species C and D share a more recent common ancestor with each other than either does with species E.Species B and E may have shared features from a common ancestor, implying that they may be part of a group that branched off from other lineages earlier in evolutionary history.The interconnectedness reflected on the phylogenetic tree serves as a visual representation of these genetic relationships, where closer branches indicate more recent common ancestry and therefore greater genetic similarities.
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Some fish and amphibians have _____, which detect electrical fields that help them navigate through dark, murky waters. photoreceptors olfactory receptors electroreceptors thermoreceptors
Answer:
Electroreceptors
Explanation:
Fishes and some of the amphibians are aquatic animals. They live in water and water is good conductor of electricity. Due to this property of water, fishes and amphibians use their electroreceptors to detect electrical fields. This helps them to find location and food and can take preventive measure against their enemies.
12. Which of the following best describes the process of hydration?
O A. Water moving through soil carries away important nutrients,
B. Water bonds with elements in the minerals that make up a rock, forming new substances,
C. Water transports weathered sediment from one place and deposits it in another.
D. Water breaks existing bonds among elements in the minerals that make up a rock.
The answer you are looking for is B
Answer:
B. Water bonds with elements in the minerals that make up a rock, forming new substances is the correct answer.
Explanation:
Hydration refers to a reaction where a substance is combined with water.
hydration takes place during the weathering process when the mineral structure absorbs water to form a unique or new substances.
hydration causes the rock to rise in a volume that puts tension or stress on the rock and makes it more susceptible to weathering process.
Thus option(B)Water bonds with elements in the minerals that make up a rock, forming new substances is the correct answer.
The plasma membrane is
Hello There!
The plasma membrane is an important membrane. It’s job is to maintain proper concentrations of materials inside the cell.
he release of stored energy from rocks that are deformed by stress is called elastic _____.
rebound
shock
pressure
friction
Answer:
The release of stored energy from rocks that are deformed by stress is called elastic rebound.
A. Rebound. The elastic rebound theory explains how energy spreads during an earthquake.
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All of the following are examples of physical properties EXCEPT
a melting point
b. hardness.
c. ability to burn
d. density
Answer:
C. the ability to burn
Explanation:
Physical properties tend to include color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction or repulsion , magnets, opacity, viscosity and density. And hardness is obviously physical
Before viruses can reproduce, they must
A. replicate the contents of their nucleus. B. undergo binary fission. C. infect a host cell. D. initiate the cell cycle.
Hello There!
Before viruses can reproduce, they must infect a host cell.
Viruses need a way to enter the body before they can infect a host cell.
Before a virus can reproduce, it must infect a host cell. It then commandeers the host cell's machinery to create more of itself. The other options listed are not necessary for virus reproduction.
Explanation:Before viruses can reproduce, they must C. infect a host cell. Viruses, unlike cells, lack the capacity to independently reproduce because they do not possess the required machinery to do so. Instead, they rely on host cells to reproduce. After a virus has entered a host cell (a process known as infection), it takes control of the host’s machinery and begins creating more viruses. None of the other options mentioned including, A. replicating the contents of their nucleus, B. undergoing binary fission, or D. initiating the cell cycle, are a prerequisite for viruses to reproduce.
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Which statement is true?
A. Opinions can be scientifically tested.
B. Scientific theories are absolute and cannot be changed.
C. Scientists have learned all they’ll ever know about science.
D. Facts can be scientifically tested.
Answer:
D. Facts can be scientifically tested.
Explanation:
Facts are true at all times, or else they are not facts. This means that they will be correct when put against the test, whether in an experiment or through history. If it is not consistent, it is not a fact, but a theory.
~
Answer: D is correct, facts can be scientifically tested
what r some adaptions that help animals who live in the Alpine biome survive
Animals in the Alpine biome have adapted to survive temperature fluctuations through migration, like the Arctic Tern, Monarch butterflies, and Reindeer. Others, like the Snow Leopard and Cheetah, have physical adaptations such as thick fur and fast speed. Still others use behavioral adaptations like mimicry and camouflage.
Explanation:Animals living in the Alpine biome have developed several interesting survival adaptations. Temperature fluctuations are a major challenge they face which many of them have adapted to by adopting a strategy of migration. For example, the Arctic Tern makes a 40,000 km round-trip flight each year between both hemispheres to find food and suitable breeding grounds while Monarch butterflies and Reindeer also migrate significant distances for similar reasons.
Some other kinds of adaptations include physical changes to their body. For instance, the thick fur of Snow Leopards is an adaptation for surviving in cold conditions and a Cheetah's fast speed helps it catch prey effectively. Besides these, there are also behavioral adaptations like mimicry and camouflage which animals employ for survival.
However, not all animals migrate because of the risks and high energy costs associated with migration. Also, some classes of animals like amphibians and reptiles are more limited in their distribution because they generally lack migratory ability.
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what are the effects of the release of the hormone catecholamine on a person
Answer: increases in heart rate, blood pressure, blood glucose levels, and a general reaction of the sympathetic nervous system
The release of the hormone catecholamine can cause anxiety, fear, and panic.
A geologist and a biologist performed an experiment together and examined the data. Each scientist formed a different conclusion. Both conclusions were supported by the evidence. How is this possible? Both conclusions are the same but have different wording. If more than one conclusion is supported, the hypothesis is invalid. There can be alternate explanations for the same evidence. Each conclusion is based on different data.
Answer:
There can be alternate explanations for the same evidence
Explanation:
The geology and the biology are two different scientific fields, thus the geologists and biologists have different focus and viewpoints when examining something. When a same experiment is done by scientists from two different fields, it is very likely that the conclusions would be different. The main reason for this is that both of them will have different view and methods to come to the conclusion, as their focus is on different things, or at least the approach is different.
Answer:
the answer is C.
Explanation:
An example of natural selection is the red color of a male cardinal. The females of the species choose mates based on the vibrant colors of the males’ feathers. If females begin using different criteria than feather color when they choose mates, what would most likely happen to the color of the male cardinals over time? increased variation in the shades of red because the selection pressure has been relieved increased variation in the shades of red because the cardinals try different ways to impress the females decreased variation in the shades of red because no form of the trait is advantageous decreased variation in the shades of red because the only reason for variation was selection pressure
Answer:
Option D, decreased variation in the shades of red because the only reason for variation was selection pressure
Explanation:
Certain factors which make an organism with in its species selective over other which provide an added leap of survival over others.
Here, red color of male cardinal has only purpose and this purpose is to attract females thereby making themselves a selective species over other male species.
Now, if somehow females start selecting males on the basis of some other characteristics then it is sure that the variations in the color of male cardinals will gradually slow down and eventually will stop as selective pressure was the only cause of their variation.
Hence, option D is correct
Cell specialization is directed by instructions found in
Answer:
DNA
Explanation:
cell specilaisation is directected by instructions found in DNA