What are autotrophs?

Different environments can be affected by various types of pollution. How would bacteria and algae in a pond kill fish and other aquatic wildlife?

Which of the following apply to the small intestine? Select one: a. Secretions from the liver and pancreas enter this organ. b. Segmentation contractions occur in this organ.

A word to describe change over time is: a Cell b Organism c Evolution d Reproduction

The food coloring is not harmful to most people, but in a small number of individuals, it causes a reaction known as

How does the diaphragm work to change air pressure in the lungs, and as a result, cause breathing?

Is it possible for Michael and Danielle to have a child who has type O blood? How do you know this? Was a switch made at the hospital? Explain your reasoning. How could fraternal twins be as different in appearance as Michelle and Michael, Jr.

The generation of an action potential in a neuron requires the presence what type of membrane channels?

What is the difference between an ectothermic and a endotherm. Which are classified as humans

Which selective media can be used to generally screen for gram negative rod?

The body tissue that connects the muscle to the bone is called a.