Explanation:
the name porifera means pore bearer in latin. a sponges body is covered by a skin, one cell thick. this skin has lots of small pores ad a few large openings. the small openings are the entrances to a complex system of channels. these collar cells pump water through the entire sponge and filter out food for the sponge cell to eat
Answer:
You can conclude that the species is polygamous.
Explanation:
A successful food web needs to have all of the organisms mostly bigger than the ones that they are eating otherwise the food web wouldnt neccessarily work properly and then the food webs would all be messed up.
Answer:
D) The number of mitochondria has decreased due to long period of rest
You are correct :)
Explanation:
The basketball player requires energy so remember that the mitochondria is the powerhouse of the cell (so it produces energy).