<span>The answer is: at the level of population. A population is a group of organisms of the same species in an area. Here, we have a group of butterflies of the same species laying eggs on milkweed plants. Therefore, butterflies laying their eggs on milkweed plants occurs at the level of population. </span>
Answer: Organisms are born with variation.
Answer:
Im pretty sure the answer is C
Answer:
helium, lithium, boron,
Explanation:
sorry these are all I can think of right now
