Which best describes the behavior of atoms in a solid substance that is melting into a liquid? a)atoms that once slid past one another now only vibrate in place. b) atoms that once slid past one another now expand in all directions. c.) atoms that were once in fixed positions now slide past one another. d. atoms that were once in fixed positions now spread freely in all directions.

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

Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen