Question

Why are nonnative species a threat to biodiversity

A they often use up resources that other organisms need

B they are not able to successfully breed in the wild

C they release many pollen in to the environments

D they easily contact and spread diseases to other organisms

Answer 1

A they often use up resources that other organisms need.

Explanation: different predators fight over the same food to survive. Decomposes fight over sunlight. Consumers try to survive and fight for food.

Answer 2

The correct answer is A