Explain why the majority of genes in an organism occur in pairs.

Diploidy

Explanation:

The majority of genes in an organism occurs in pairs mainly because the organism is diploid: it has two copies of most genes—one copy of the gene from each of its two parents.

c.more precipitation,but only when emission levels.

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)