Amite is a tiny organism that may "ride" on top of an insect such as a beetle in order to move quickly from place to place. this relationship between the mite and the beetle would be an example of parasitism if 1. the beetle is unable to catch prey because it is slowed down by the mite. 2. the mite protects the beetle from predators. 3. the beetle eats the mite. 4. the beetle is neither harmed nor by the mite.

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it