Food chains model energy flow through an ecosystem. Producers pump energy into an ecosystem from an environmental source, and this energy is then passed from one organism to the next.
Answer:
Organism - Individual living thing
Community - All of the different populations that live and interact in an area.
Population - Group of similar organisms.
Ecosystem - Community of organisms and its abioitic environment.
Biosphere - All of the ecosystems.
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Answer:
The activation energy must be reached. The catalyst makes lower energy pathways available.
Explanation:
B.
Photosynthesis produces energy which is used during respiration to break down carbohydrates like starch into more usable forms like glucose
