All plant and animal groups existing together and the physical factors with which they interact compose an ecosystem<span>.</span>
Blood, a fluid connective tissue, provides a transport system within our body for oxygen and other important substances. Cartilage provides strong support and connection for our skeletal framework. And the function of bones is to support and protect soft tissues and organs in our body.
The answer is greenhouse effect
True
Entrainment is to synchronize an organism to an external whole for example music or tapping.
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Answer:
react with antigens and destroy them
