Answer:
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
Homeostasis is the ability of an organism to change internally or externally due to environmental changes.
I think it is phytoplankton:)
It is a process called facilitated diffusion. It could be as simple as bringing in a glucose molecule. Since the cell membrane will not allow glucose to cross by diffusion, helpers are needed. ... That's an easy situation of passive transport because the glucose is moving from higher to lower concentration.
The answer is B. Embryo development