Dietary proteins: 1. consist of all 20 amino acids required in the human body.

2. are nutritionally identical, because all are broken down into their constituent amino acids in the digestive system.

3. are considered “complete” only if they contain all of the non-essential amino acids required by humans.

4. are considered “complete” only if they contain all of the essential amino acids required by humans.

5. can be obtained from animal sources, but not plant sources.

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Explanation:

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climate change and pollution

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)