What is the relationship between a mutation and a gene?

a) a gene results in a mutation when it produces a change in the type of mrna

b) a mutation changes the sequence of dna bases of gene

c) a mutation creates new genes from the same dna segment

d) a gene causes mutation when it manufactures the wrong protein

B is the answer

Explanation:

Wish you luck and i know because i took the test and made 100 and im in k12 just btw

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)