Questions: Extinction 1) Describe the natural history and unique physical characteristics of the thylacine. What it ate, where it lived and what did it look like? What were the reasons or factors that caused them to eventually go extinct? 2) In your opinion, what could have been done to stop […]

Q. An ecologist studying plants in the desert performed the follow experiment. She staked out 2 identical plots, each of that included a few sagebrush plants and numerous small annual wildflowers. She found the same five wildflower species in roughly equal numbers on both plots. She then enclosed one of […]

6. You’ve been experiencing acid indigestion lately, and you’d like a quick fix for the problem. You do a little research on the Internet and discover that your problem is caused by excess stomach acid. In the pharmacy aisles, you investigate various medications that might solve the problem. a. If […]

In mice, an allele for apricot eyes (a) is recessive to an allele for brown eyes (a+). At an independently assorting locus, an allele for tan (t) coat color is recessive to an allele for black (t+) coat color. A mouse that is homozygous for brown eyes and black coat […]