It survives by under water volcanoes like the marianas trench. :)
Plants release oxygen into the atmosphere during photosynthesis while respiration by plants and animals and the decomposition and decay of dead organisms releases carbon dioxide into the atmosphere. These three produce maintain a cycle in which plants and animals depend on and benefit from each other.
My Answer: Vestigial organs
Why?: " Vestigial organs are physical structures that were fully developed
and functional in an ancestral group of organisms but are reduced
and unused in the later species."
Hope I helped! :D
Answer:
the answer is A.groups of biomesmake up a community, andand groups of populations make up a biome.
Answer:
I may be wrong but try A.