New cells are produced for growth and to replace damaged or old cells
O True
O False

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.