Question

many athletes who compete in the paralympics are missing a biological arm or leg. instead, they may have human - made replacements for these body parts.
biological engineers study living things, like plants, animals, and humans. they use what they learn to create new tools to help people.
based on the information in both of these paragraphs, which sentence best describes something biological?
something biological is connected to human - made products.
something biological is connected to sports and athletes.
something biological is connected to technology and engineers.
something biological is connected to living things.

Explanation:

The first paragraph mentions athletes with missing body - parts and human - made replacements. The second paragraph defines biological engineers as those who study living things (plants, animals, humans) and use that knowledge to create new tools. The key concept in biology is its connection to living things.

Answer:

Something biological is connected to living things.