In this experiment the solvent moved 110mm from the start line. Calculate the RF value of the Yellow-green pigment.

Give your answer to 2 significant figures.

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

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Wich of the following are manual restraint techniques for dogs