Charles darwin is best know for developing his theory of evolution based on his observation of what characteristic?

a. the beaks of finches

b. the scales of snakes

c. the necks of giraffes

d. the trunks of elephants

In the Hardy-Weinberg equation shown below, p is the frequency of the dominant allele, and q is the recessive allele. p2 + 2 pq + q2 = 1 What does p2 represent in the equation? A. The frequency of the homozygous dominant genotype B.

What evidence is most important when using relative dating? a the position of fossils in sedimentary rock layers b the types of minerals in a petrified fossil c the position of sediment in petrified rock d the half-life of a radioactive element?

In Drosophila, the autosomal recessive pr and cn mutations cause brown and bright-red eyes, respectively (wild-type flies have brick-red eyes). Flies who are homozygous recessive at both pr and cn have orange eyes.

The cell produced by thes fusion of an egg and a sperm has

What seven specific processes in the Rock Cycle are necessary to form sedimentary rock?

Warm fronts usually bring cloudy sky. A. true B. False

What is the reference between relative dating and absolute dating

An amoeba is a unicellular organism, which doesn't have a stomach for digestion of food. How does food storage and digestion take place in an amoeba?

Select all of the answers that apply. What major factors affected earth's changing climates?

How does mimicry influence the behavior of predators?