When an organism hunts and kills another organism for food, the hunter is called

A. prey.

B. an herbivore.

C. a predator.

A codon that coppies the DNA'S messages is made by mRNA in a process called

Synapses ... a) are found only in the central nervous system b) carry electrical signals along the length of an axon c) are gaps between neurons where chemical signals are used to transmit information d) allow electrical signal to jump between

The activity recorded by the electromyogram corresponds to: Select one: a. The electrical impulse of a single motor unit. b. The electrical impulses generated in many muscle fibers simultaneously. c.

If the pH of the body gets too low, below 7.4, acidosis results. Acidosis is serious because many of the chemical reactions that occur in the body are pH-dependent. If the body's pH drops below 6.8 or goes above 7.8, death may occur.

Organisms that can't live in the presence of oxygen are called facultative anaerobes. a. True b. False

Ne type of marker is used to warn boaters not to pass between the marker and the shore. what color is this marker?

What does chordates mean

Harvey was training for a cross-country bicycle race. During his practice run, Harvey's tire went flat and he fell off of his bike, cutting both knees.

Some insects can glide across the surface of water due to water's:

Which statement describes the area swept out by a line between a planet and the sun at equal times as the planet moves along its orbit? It changes shape but always remains constant. It is proportional to the distance between the sun and the planet.