D. Carnivores that eat other animals
A biotic factor is a living organism that shapes its environment.
The best and most acurate answer for this is definatlly b
due to d dealing with speed
c is loss of vision
and a is something to do with how we see things that go on for a while in art like a hallway falling into a single point like in art<span />
Multicellular organisms do this by assigning specific roles to specific cells. This enables various cells within a larger organism to collaborate in order to preserve homeostasis. Since they are made up of just ONE type of cell, unicellular organisms do not need cell specialization to maintain homeostasis.