<span>9. Contributes to medicine and agriculture
Explanation: The plant varieties and different animal species in a given location helped vegetation and many medicines were found to help mankind.
10. Crop rotation
Explanation: different varieties of crop were developed and rotation of crops in due seasons is essential for the growing population. Pollution, deforestation and climate change all affect the world.</span>
Answer:
First, it transports blood with oxygen and nutrients to cells all over the body. Second, it picks up waste products from the cells to be transported out of the body, and it takes the deoxygenated blood back to the lungs so it can regenerate.
Answer:
Carrying capacity is the <u><em>maximum number of individuals an area can support without degrading the environment</em></u>.
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