Health, 10.04.2021 01:50 star296

1. How does taxonomy help us understand relationships among organisms on earth? What kinds of evidence do scientists use in taxonomy? 2. Discuss the importance of oxygen to all living organisms, and describe how three different organisms—human, flatworm, and fern—obtain the oxygen they need.
3. Discuss the three kinds of waste that humans must remove from their bodies, and explain why waste removal is important to living organisms.

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1. How does taxonomy help us understand relationships among organisms on earth? What kinds of eviden...