Which variable would be the independent variable ?

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Which best describes what you will do in the reaching your academic potential course?

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above