6. Which statement is true? a. Carbohydrates are made up of nucleic acids
b. Lipids are made up of amino acids
RNA molecules are made up of nucleotides
d. Proteins are made of sugars
C.

RNA molecules are made up of nucleotides

Explanation:

Carbohydrates are made up of monosaccharides (sugars!)

Lipids are made up of glycerol and fatty acids

Proteins are made of amino acids

b. the carbon cycle ensures living things have a source of hydrogen

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)