19. A standardized system of biological taxonomy is essential because a. it provides the international science community with uniform names for all
organisms.

b. it is in Latin, a widely used language in science and medicine.

c. it provides evidence for global climate change.

d. there are thousands of species and they all have to be named.

fghhjyrdxvg

Explanation:

dfghhfeerhhtgt

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)

straight or amphibians are homeothermic to thermal