In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Sentence: Exotic species are also called invasive species because they threaten other species. Question: Why are exotic species also called invasive species?
threaten other species

Sentence: A(n) polyploid is an individual with more than the correct number of chromosome sets. Question: What is an individual with more than the correct number of chromosome sets called?
polyploid

Sentence: Proteins is needed to create muscles, regulate chemical reactions, and transport oxygen. Question: What is needed to create muscles, regulate chemical reactions, and transport oxygen?

proteins