The main food sources of the birds( the plentiful recourses within the environment occupied by the species)
Facilitated diffusion is the diffusion of solutes through transport proteins in the plasma membrane. Facilitated diffusion is a type of passive transport. Even though facilitated diffusion involves transport proteins, it is still passive transport because the solute is moving down the concentration gradient.
Vertebrates have back bones or spines that give there body support.
The Answer is (A)
Because the pesticide will kill off the bugs and weeds but will damage the soil so after the crops you have in the ground now just will not grow there again until 1 year after the pesticide has washed away
hope I helped
Answer:
C. Guard cells and storage parenchyma cells each make a different set of proteins, which determines each cell type's structure and function.
Explanation
Both of these are two types of specialized cells that make specific combinations of proteins, which allows them to have unique structures and functions.