Structural adaptations<span> are physical features of an organism like the bill on a bird or the fur on a bear. Other </span>adaptations<span> are behavioral. Behavioral</span>adaptations<span> are the things organisms do to survive. For example, bird calls and migration are behavioral</span>adaptations<span>.</span>
The answer is 'The Biosphere.'
Answer:
The correct answer is A!
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It is c I believe cause the human cells can’t make their own food like plants do when they photosynthesis
