What is formed through sexual reproduction when a sperm cell and an egg cell combine?

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

Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.

Why is it important that each contour line represents the same amount of gain or loss in elevation