Multiple choice

What two factors shape the distribution and abundance of organisms on Earth?

  1. renewable & nonrenewable resources

  2. oxygen & water

  3. availability & community

  4. biotic & abiotic factors

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The distribution and abundance of any species are determined by both living (biotic) interactions, such as predation and competition, and non-living (abiotic) conditions, such as temperature and water availability. Together, these two categories encompass all environmental influences on organisms.