Exit the universe is estimated to be how old?
a.2 million years
b.4 million years
c.4.6 billion years
d.13 to 14 billion years

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth