A. the base of a food web?

A base of a food web contains all the producers (plants)

Explanation:

The producers give energy to the consumers and so forth. As the energy travels through the food web the energy decreases.

Primary producer

Explanation:

(I am guessing you are talking about the energy pyramid)

The primary producer is the organism that gives energy to the primary consumers.

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

c

explanation: