What type of wave requires a medium to transfer energy?

A. electromagnetic

B. mechanical

C. light

D. radio

All organisms are composed of one or more basic units of life is called

Consider a locus with two alleles, A and a. Under which of the following scenarios will the frequency of the A allele increase? A. The fitness of AA and Aa individuals are higher than the fitness of aa individuals. B.

The region of your cerebral cortex that enables you to recognize a person as your own mother is?

What movement take place in the body that you do not have to think about

The path of a meteor passing Earth is affected by its gravitational force and falls to Earth's surface. Another meteor of the same mass falls to Jupiter's surface due to its gravitational force. What statement accurately compares these two events?

Which of these types of rock can melt under the right conditions?

Preschoolers' understanding that sugar continues to exist when it is dissolved in water is evidence that they a. do not understand cause-and-effect relationships. b. can think logically even about unfamiliar topics. c.

What are two phases of speciation

Where are red blood cells generated?

Explain why the following statements are incorrect - As long as an organism survives, natural selection will take place