The diagram shows a basic food chain.

All Crayolians have ten hands with two fingers on each hand. In addition, all the fingers on each Crayolian are the same color, either red, white or pink. A pink-handed Crayolian mates with a white-handed Crayolian.

Your body is composed of microscopic cells that are visible all the time? True or false

True or false. b cells originate and mature in the bone marrow and their function is to produce antibodies; t cells originate and mature in the thymus and their functions include killing cells that have been infected with a virus.

Which part of eye is sensitive for vision

What makes up the central nervous system?

Briefly explain the four steps of respiration (of the human body).

Researchers are studying the way plants move in response to stimuli. Which scenario could be used to test phototropism? A) Two sets of plants could be placed in a dark room and the growth monitored.

Parkinson's disease and Huntington's disease are both extrapyramidal motor disorders. Describe what we know about each disorder (i. e., symptoms, causes, treatment). Explain how they are similar and how they are different.

Which of the following does eccentricity describe

Describe the function of a chemical synapse.