What term defines varieties or populations of human beings distinguished by physical traits such as hair, eyes, skin color, and body shape?
a. class
b. cohort
c. ethnicity
d. race

Explain how fossils scientists make discoveries about the lives of organisms and about how environments have changed over time. plz hurry up it time

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

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called