9.10 (1 of 2) Human Threats to Biodiversity

Invasive species _____________ biodiversity.

• increase

• don't affect

• decrease

Pollutants can _________ animal populations that it didn't mean to target.

• increase

• decrease

Building roads causes ________________.

• habitats to increase due to transportation 

• habitat fragmentation

• species to travel to new areas via roadways

Breaking a big habitat area into smaller habitats __________.

• disrupts breeding in animals

• causes issues for animals who hunt

• limits migration of animals

• all choices are true

Some types of animals are more affected by habitat fragmentation than others.

• True

• False

A brood parasite will lay its eggs in the nests of other birds on purpose.

• True

• False

The greater the habitat fragmentation, the ___________ edge habitat there is. 

• more

• less