Calling all straight people look at the pic and contemplate it

What statements describe a host organism?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

Which of the following explains why a tree is often used as a model to represent the principle of common descent