What are the basic units of a chemical element called

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

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans