Question

The plants in a farm field have low biodiversity. Which outcome is most likely? (1 point)
Responses

Only a few animals visit the field to eat the plants.
Only a few animals visit the field to eat the plants.

The plants produce a variety of food crops, some more valuable than others.
The plants produce a variety of food crops, some more valuable than others.

The crop withstands extremes in weather, such as heavy rains or drought.
The crop withstands extremes in weather, such as heavy rains or drought.

A disease or animal pest spreads quickly through the plants in the field.

Answer 1

A disease or animal pest spreads quickly through the plants in the field.

Reason: low biodiversity (e.g., monoculture) means many plants are the same species/genotype and share the same vulnerabilities, so a pathogen or pest that affects one can rapidly infect most or all.