6 The magnitude of an earthquake can be expressed numerically by using
A. only the Richter scale.
B. only the Mercalli scale.
C. both the Mercalli scale and the moment
magnitude scale.
D. both the Richter scale and the moment
magnitude scale.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

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

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?