It's actually A. Vertebrate have a hard out shell.
Answer:
. The main structural differences between plant and animal cells are the additional structures found in plant cells. These structures include: chloroplasts, the cell wall, and vacuoles. In animal cells, the mitochondria produces the majority of the cells energy from food.
Answer:
to break down food
Explanation:
and also to absorb nutrients
Answer is number 1........
