D is false. Decomposers are a separate level in of itself, so as far as “decomposers play a role at all trophic levels” go, the answer choice would be invalid, and thus forth is the correct answer. All other answers seem to be valid.
Answer:
The correct answer is B
Explanation:
Although the dental formula gives hints to the diet of a species, all mammals do not have the same dental formula. For instance, a rabbit has upper jaw:2incisors, 3premolars and 3 molars and no canines. While a dog has 3incisors, 1 canine, 4 premolars and 2molars in its upper jaw. Yet, they are both mammals.
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Answer:
The endocrine system regulates how much of each hormone is released. This can depend on levels of hormones already in the blood, or on levels of other substances in the blood, like calcium. Many things affect hormone levels, such as stress, infection, and changes in the balance of fluid and minerals in blood. hope it helped
Explanation:
Answer:
Peas were an ideal choice for Mendel to use because they had easily observable traits there were 7 of which he could manipulate
2.0 because 2.05 is about two and a half where as 2.0 is considered to be a whole number , hope this helps
