Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Input: Consider Input: Question: While similar to insects, what eight-legged invertebrates lack antennae or wings? Answer: arachnids

Output: Arachnids do not have antennae or wings.

Input: Consider Input: Question: What unit of measure is equal to the amount of work a horse can do in 1 minute? Answer: horsepower

Output: Power may be measured in a unit called the horsepower. One horsepower is the amount of work a horse can do in 1 minute, which equals 745 watts of power.

Input: Consider Input: Question: Around 1200 species of what broad animal group are currently at risk of extinction due to human activity? Answer: birds
Output: Today, some 1,200 species of birds are threatened with extinction by human actions. Humans need to take steps to protect this precious and important natural resource. What can you do to help?.