The freshwater wetland is type more clean and produces much less “natural pollution”, as too the lake or pond have more creatures in them such as fish, crabs, etc
Answer:
Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)
Explanation:
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Answer:
It helps prevent invasive species from coming in.
Explanation:
Invasive species ruin habitats because they have no natural predators, so they grow and mooch off of native species which kills them off.