The hollow area left in a rock from a former organism is a (n) :

Does the process of fossilization still occur today or was it limited to earths geologic past? explain

3) The Hertzsprung-Russell diagram shown here suggests that A) supergiants have a higher absolute brightness than the Sun. B) white dwarfs have a higher absolute brightness than the Sun. C) supergiants have a lower absolute magnitude than the Sun.

What are the two parts of the chloroplast and explain them

Which best illustrates how Gregor Mendel used creativity that lead to scientific discovery? A) He noticed that traits were passed on from parents to offspring. B) He chose a parent generation and carefully studied its traits.

1. What is the difference between a specific and a nonspecific defense?

The sky is mostly blue, wish some high, thin, feathery clouds. Whcih type of weather is most likely to occur? A.) Light drizzle B.) Heavy precipitation C.) Fair Weather D.) Thunderstorm

Why must the heart contract very strongly to pump blood from the left ventricle into the aorta?

If the DNA molecule is so similar among all living things why is there so much diversity of life?

As warm air rises, a pocket of high pressure air is left in its place. Cold air is drawn into this high pressure area. True False

Can a bird fly with two different types of wings? Like for example, one wing is long and narrow and the other is long and broad.