The quote from Lewis Carroll’s novel Through the Looking-Glass, "It takes all the running you can do to stay in one place" is the basis of a hypothesis used to explain which evolutionary phenomena?

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

Classify the structures as homologous or analogous, depending on their structure and function.

What is the importantence of the carbon and nitretan cycles in the environment