instruction:
In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
question:
Question: Metabolic enzymes catalyze catabolic reactions that break down what? Answer: carbohydrates
answer:
Metabolic enzymes catalyze catabolic reactions that break down carbohydrates.

question:
Question: Overharvesting is a serious threat particularly to which species? Answer: aquatic species
answer:
Overharvesting is a serious threat particularly to aquatic species.

question:
Question: Where do the majority of species live? Answer: ocean
answer:
The majority of species live in the ocean.