Which of the following are true about ecosystems? Check all that apply.
A)They contain both living and nonliving components.
B)There is a transfer of energy through the system and some energy is lost as heat energy.
C)Nutrients repeatedly cycle through the ecosystem.
D)They represent the lowest level of biological organization.
E)The ultimate source of energy for most ecosystems is the sun.

Question

Quizplus · Accepted Answer

A) Ecosystems include both living (biotic) and non-living (abiotic) components such as soil, water, and air.
B) Energy flows through ecosystems from the sun to producers to consumers, but some energy is lost as heat at each trophic level.
C) Nutrients such as carbon, nitrogen, and phosphorus cycle through ecosystems via the food chain and biogeochemical cycles.
D) Ecosystems represent a higher level of biological organization above populations, communities, and individuals.
E) The sun is the ultimate source of energy for most ecosystems, with photosynthetic organisms converting solar energy into chemical energy.

Which of the Following Are True About Ecosystems? Check All