Refers to how much land a species lives in:

Explanation:

Biodiversity refers to the variety of living species on Earth, including plants, animals, bacteria, and fungi. While Earth’s biodiversity is so rich that many species have yet to be discovered, many species are being threatened with extinction due to human activities, putting the Earth’s magnificent biodiversity at risk.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

it should be briana that has it to me