Choose all the answers that apply. Which of the following are biotic factors in an ecosystem?
2 answers:
Answer:
bacteria, plants, and animals
Explanation:
Bacteria, plants, and animals are biotic factors.
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- Each alveolus is cup-shaped with very thin walls.
- It’s surrounded by networks of blood vessels called capillaries that also have thin walls.
- The oxygen you breathe in diffuses through the alveoli and the capillaries into the blood.
- The carbon dioxide you breathe out is diffused from the capillaries to the alveoli, up the bronchial tree and out your mouth.
- The alveoli are just one cell in thickness, which allows the gas exchange of respiration to take place rapidly.
Answer:
It is Composition hope this h
Explanation: hope this helped
Hi!!
The answer is <span>They regulate water intake and excretion.
Hope this helps!
-Payshence xoxo</span>
I think b would fit more as the mitochondria, d would be the endoplasmic reticulum, and e would be lysosomes
