The correct answer is option B- sea anemone
Sea anemone belongs to group of marine animals, predator in nature. They belong to the phylum Cnidaria
Sea anemone has a foot like structure at the bottom which helps in attachment with rocks or anchor in sand but most of the species come near to the surface and float at the surface of water.
The most important and interesting factor about anemone is the presence of small tentacles around the mouth used to capture the prey.
Answer:
The correct answer will be option- A and D
Explanation:
<em>E.coli</em> is a bacteria which is pathogenic to humans and<em> E. histolytica</em> is an amoeba which is a parasite. Both are different species but both are single-celled organism which to survive share feature among them.
The common characters shared by these two species are: they depend on the source of energy for their survival which they usually get from the hosts.
Both the species reproduce to produce progenies like them which help them maintain continuity of the species of Earth.
Thus, options- A and D are the correct answer.
If pillar coral digest zooxanthellae, then the zooxanthellae inside the pillar coral must be dead.