Which of the following includes a plant embryo, a food supply, and a protective covering?

A. pollen grain

B. spore

C. seed

D. gametophyte

The substance that is released at an axonal ending to propagate the nerve impulse to the next nerve or muscle is called

What is a good example of a response-based definition of stress?

Cells can be observed using light or electron microscopes. Outline the differences between light and electron microscopes and discuss the pros and cons of the electric microscope.

What did mendel call the first two individuals that mate in a genetic cross?

Discuss how relative and absolute dating are used to assign ages to rocks. Specifically, how are the two dating methods different from each other? Discuss the technique of absolute dating commonly used to date rocks.

An observable trait in a species of frog is controlled by a single gene. The gene has only two alleles, F and f, and F shows complete dominance over f. A predator is introduced into a population of 400 frogs, of which 100 are homozygous recessive.

The area in the brain that plans, anticipates, and controls impulses and is the last part of the brain to mature is the

What event occurs prior to speciation

Is chocolate in chocolate milk a solute

3 different types of cells