What feature do plants have that provide structure and form?

a.

plants have an exoskeleton, like insects.

b.

plants have an internal skeleton of bones.
c.

plants have rigid tubes made of cellulose.

d.

plants have an external covering that keeps them upright

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

In what cells is the human genome located?

How does the human body lever work?