betty drew the life cycle of a butterfly for a science exhibition. the cycle showed the various stages of growth before the eggs turns into a butterfly what type of model did betty use?

Conceptual.

Explanation:

Conceptual method includes a diagrammatic representation of biological life cycle. It helps in better understanding of the life cycle of an organism. Betty is also using conceptual method to illustrate the life cycle of butterfly. The diagrams show various stages of growth of butterfly in a picture form. This enables the students to easily understand the phenomena.

i'm assuming that it's c.) red bank..

a:

by the combination of an unlimited number of elements