Which two cellular structures provide protection to the cell?
a. cellular membrane and cell wall
b. ribosomes and nuclear membrane
c. nuclear membrane and vacuole
d. cellular membrane and vacuole

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

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.