Porifera: members of this phylum have special collar cells. They have cellular level of body organisation.
Cnidaria: members have stinging cells on the tentacles surrounding mouth.
Ctenophora: members have comb like ciliary plates for swimming.
Platyhelminthes: For the first in animal kingdom, members of this phylum there is development of sensory and nervous tissue in the head region (cephalization)
we will take cows as an example, they inhabit earth and so do we as humans. we as humans put the on our farms and our grass lands. we give the cows a biome. so that makes the statement true.