Describe or sketch a hypothetical trace fossil of dinosaur mating for a a. bipedal dinosaur species, and b. quadrupedal dinosaur species.

How would a paleontologist be able to distinguish such behavior from the vast majority of trackways that merely show locomotion? 2. Acquire one dozen chicken eggs from a grocery store and measure their lengths and diameters.

a. What shape would you characterize for the eggs?

b. Examine the eggshell using either a handlens or a binocular (dissecting) microscope. If pores are visible, draw a square centimeter onto


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