TASK DEFINITION: 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.
PROBLEM: Question: What are the most numerous and diverse biochemical compounds? Answer: proteins

SOLUTION: Proteins are the most numerous and diverse biochemical compounds.

PROBLEM: Question: What is the only animal phyla that does not consist exclusively of invertebrates? Answer: chordates

SOLUTION: Chordates is the only animal phyla that does not consist exclusively of invertebrates.

PROBLEM: Question: Animals can transport what waste material in the circulatory system and store it safely at high concentrations? Answer: urea

SOLUTION:
Animals can transport the waste material known as urea in the circulatory system and store it safely at high concentrations.