Infer whether species diversity increases or decreases after a fire on a grassland Explain your response.

Decreases.

Explanation:

Biodiversity may be defined as the variety of the living organism found in the earth. The diversity of the species may get affected and do not have any constant number.

The natural or human made calamity can decrease the species diversity. The fire on a grassland causes the death of many species, have harmful effects on many species and reduces the species number as well. This decreases the species diversity of the grassland.

Thus, the answer is decreases.

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.