Animal phyla are primarily defined according to . 1 point
a. a species diet.
b. patterns of embryologic development and adult body plans.
c. type of reproduction.
d. homeostasis

Cells destroy body cells infected by a virus or bacteria.

In the water cycle , when does water undergo a chemical change

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration