Answer:
The contractile vacuole pumps out excess water and wastes.
The answer would be the species’ niche. A niche includes all the interactions of a species.
Ptolemy's model had Earth at the center, and the moon's revolved around the planets instead of the planets revolving around the moon and sun. The planets' orbits' moved instead of the planets as well. Geocentric has Earth at the center and heliocentric has the Sun at the center
By cleaning up parks, forests, beaches, etc. you help protect the natural habitat of a variety of native species to the area
