Ecologists study the relationships between flora and fauna (plants and animals), and their environment. What is the proper listing of the levels of ecological organization - from smallest to largest?

Question

[Choice A] population—>ecosystem—->organism—->biosphere—>community—>biome

[Choice B] community—>biosphere—>organism—>population—>biome—>ecosystem

[Choice C] organism—>population—>community—>ecosystem—>biome—>biosphere

[Choice D] biosphere—>ecosystem—>organism—>community—>biome—>population

Answer 1

The correct listing of the levels of ecological organization from smallest to largest is:

[Choice C] organism—>population—>community—>ecosystem—>biome—>biosphere