Which of the following statements is true of all organisms in every environment?
O A.
They must compete for essential resources.
B.
They avoid interaction as much as possible.
C.
They are able to produce their own food.
D.
They must consume other organisms for energy
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In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a. the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.