Question
Multiple choice:
For a natural ecosystem to be self-sustaining,
many compounds must be:
1. converted into new forms of energy.
2. cycled between organisms and the environment.
3. permanently removed from the environment.
4. changed into fossil fuels such as oil and
coal
For a natural ecosystem to be self-sustaining,
many compounds must be:
1. converted into new forms of energy.
2. cycled between organisms and the environment.
3. permanently removed from the environment.
4. changed into fossil fuels such as oil and
coal
Answers
Rawr
2: cycled between organisms and the environment
The compounds must be taken in by consumption, and then recycled back through decomposition.
The compounds must be taken in by consumption, and then recycled back through decomposition.
maiaylah
cycled between organisms and the environment