Answer:
a layer or a series of layers of rock in the ground. ,
a level or class to which people are assigned according to their social status, education, or income.
Explanation:
On the pH scale 7 is a neutral. Anything below 7 is acidic and anything above 7 is a base.
Answer:
roots, shoots, fruit, wild celery, and tree bark and pulp
Explanation:
Answer:
<u>B</u>
Explanation:
If a disease wiped out the hare population, then result would be :
<u>The </u><u>arctic fox</u><u> population could </u><u>decrease</u><u> because they would </u><u>lose</u><u> a </u><u>food source</u><u>.</u>
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It cannot be A because although the arctic fox population might decrease, it would only cause an increase in its prey's population as there are less predators (arctic fox) to consume it.
Answer: The species are poorly related to each other.
Darwin gave information for evolution as "descent with modifications" it involves a process in which species change and gives rise to a new species over generations. He proposed that the evolutionary history of life forms a branching tree with many level as a new species evolve. All species can be traced back to a common ancestor. Each newly evolved species will have one or more characteristics in common as that of the old species.
In species with no common ancestor will not have any similar characteristic in common such species cannot be evolutionary linked and cannot be placed and linked in an phylogenetic tree.
