Log InSign Up for FREE
Library

Science Explainer: What we lose when animals become extinct

By Formative Staff
Last updated 4 months ago
3 Questions
Note from the author:
Read the passage What we lose when animals become extinct. Then answer the questions below.
Read the passage What we lose when animals become extinct. Then answer the questions below.
Required
Drag each answer choice into the correct space. Not all answer choices will be used.

For animals in most parts of the world, _________________ is the greatest threat to survival. Another major threat is ___________________, which first affects animals in colder regions. Both of these threats are driven by ___________________ .
Other Answer Choices:
human activity
poaching
fragmentation
habitat loss
climate change
Required

Drag the items into the correct box to show whether it is considered a threat to biodiversity or a result of a threat.

  • Native animals are threatened when they fall prey to invasive species.
  • Road and building construction breaks up large areas of forest.
  • Humans develop land for housing, agriculture, and business.
  • Animals' habitats are changed to the point that the animals cannot adapt.
  • Animals that are not native to certain regions are introduced by humans.
  • Certain plants disappear, and animals that eat those plants suffer.
  • Threats to biodiversity
  • Results of threats
Required

What reasons do scientists believe that the Earth is on the brink of mass extinction? Select two correct answers.