Answer:
d.Different sets of genes.
Explanation:
A cell normally only expresses a percentage of its genes and various cell types are created by the expression of distinct gene sets. In addition, in response to changes in their environment, cells can alter the pattern of genes they express, such as signaling from neighboring cells.
Answer:
The grass
btw there's no pic of the food web
You can only make one zygote but in some cases the egg splits and makes an identical twin.