Homework Help: Biology-Ecology

Posted by Amy on Saturday, March 16, 2013 at 9:01pm.

Multiple choice
What is the ultimate source of energy for most
ecosystems, and in what form does the energy
leave the ecosystem?
1. plants; animals
2. light; heat
3. plants; heat
4. producers; consumers
5. heat; light

Biology-Ecology - Rawr, Sunday, March 17, 2013 at 12:38am
Ultimate source of energy is light, which is captured by photosynthesis. Energy leaves as heat because animals give off heat.

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