No one is for females and one is for male chromosomes
Biological soil crusts<span> are communities of living organisms on the </span>soil<span> surface in arid and semi-arid ecosystems. They are found throughout the world with varying species composition and cover depending on topography, </span>soil<span> characteristics, climate, plant community, microhabitats, and disturbance regimes.</span>
Answer and Explanation:
Corals are a type of invertebrate within the <u>phylum Cnidaria</u>. They live in colonies of many identical individual polyps.A set of tentacles surround a central mouth opening. They also have a simple, radially-symmetrical body containing a single opening that serves as both the mouth and anus. The body is made up of two layers of cells, separated by a jelly-like layer with no internal organ. The two layers of cells make a single cell surrounding the body.
Organisms that are well adapted to live together to in the same area over time.