Multiple choice

Which of the following is the biggest component of ecological hierarchy?

  1. Biome

  2. Community

  3. Biosphere

  4. Population

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

The biosphere is the highest and most comprehensive level of ecological hierarchy, encompassing all living organisms and their interactions with Earth's systems. A biome is a large ecosystem type. A community is populations of different species. A population is individuals of one species.