Answer:
Higher oxygen levels means animals can grow larger and still maintain the supply of oxygen to their muscles. Falkowski and colleagues calculated fluctuations in the atmosphere's oxygen levels from cores of deep-sea rocks dating back 205 million years.
The right answer is B.
The purpose of breathing is to do homeostasis, which means, to take CO2 out and get oxygen to our blood.
Babies live into the wound surrounded by liquid, so they don't need to breathe with their lungs.
All the things they needed to survive are taken from the mother thought the placenta.
Answer:
The symbiotic relationship between an anemone (Heteractis magnifica) and a clownfish (Amphiron ocellaris) is a classic example of two organisms benefiting the other; the anemone provides the clownfish with protection and shelter, while the clownfish provides the anemone nutrients in the form of waste while also scaring
Explanation:
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