Answer: A
Explanation:
i took biology and all that fun stuff with trophic levels
Lisbon Portugal has had one of the worst
Answer over evolution they lost them
so no
Explanation:
Explanation:
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Answer: Respiration in Animals.
Explanation:
This is a body systems which involves the intake of oxygen, and the release of carbon dioxide ,(breathing),for the breakdown of digested food substances for example (glucose), to generate energy.
Most organisms make s use of oxygen for survival they are aerobes, while some organisms thrived in absence of Oxygen; these are anaerobes.The
