Food webs with fewer species are more sensitive to the loss of species and ecosystem disturbances
Answer:
What impact do the available amounts of energy, water, and oxygen have on an ecosystem? They act as limiting factors. ... increasing the biodiversity of the ecosystem.
Answer:
the composition of a population gene can change over time through evolution
Explanation:
Nature selects
The experimental group is the group you change from the normal. the fertilizer group is experimental
The answer your looking for is B different patterns of gene expression
