Answer:
air is drawn into the lungs
lungs expand
the muscles between the ribs contract to move the ribs up and down
air pressure in the chest cavity decreases
the diaphragm contracts and flattens
Ecosystem energy flow. Energy's life moves. The energy cycle is based on the flow of energy in an ecosystem through various trophic levels. The cycling energy and nutrients obtained from various external sources maintain our ecosystem.
The responses are A, B, and E. A) Because the sun provides the entire ecosystem with energy, it is a major source of energy. B) because photosynthesis is the process in which plants convert radiant energy from the sun into chemical energy to form sugar-known glucose. E) I believe because, as it moves throughout the ecosystem, the amount of energy at each trophic level decreases.
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the answer would be true because you eat more toxins the higher you go
Answer: All
Explanation: A community is an assembly of one or more species that interacts with one another. However, in a community, the organisms would also interact with their environment.
Answer: B. Rainforest
Explanation:
Because rainforests have huge canopies of trees, it is significantly harder for the plants below them to get sunlight.