Abiotic factors in common ecosystems:
1: Bats are interesting creatures, and use echolocation to make food
2: The cave walls help spread the voices of the bats
3: They have to use echolocation to breathe
Biotic factors:
1: Some good roles for bats are predators
2: They effect the system of computers when they bite computer chips
3: They complex human system life<span />
Are sponges jointed not jointed or nothing
Sponge are are nothing
the answer to this problem is c
<span>They have setae covering their bodies.
They have a one-way digestive system.</span>
