Q. By 1935, hunting and trapping had eliminated wolves from the United States except for Alaska. Because wolves have since been protected as an endangered species, they have moved south from Canada and have become re-established in the Rocky Mountains and northern Great Lakes region. Conservationists who would like to […]

1. For each of the following research questions, please indicate if the situation or research question involves investigating (a) two proportions, (b) two means of independent samples, or (c) two means of paired samples. a. A researcher is interested in comparing the resting pulse rate of people who exercise regularly […]

Jennifer R. has the “stomach flu” that is going around campus and has been vomiting profusely for the past 24 hours. Not only has she been unable to keep down fluids or food, but she has also lost the acidic digestive juices secreted by the stomach that are normally reabsorbed […]

Organism and population  One mark questions:  1. Define benthic Zone? 2. Define the term ecological factor? 3. Name only one intracellular parasite? 4. What is biome? 5. Name the type of interaction seen between whale and barnacles growing on its back?  Two mark question:  1. Distinguish between the following : ectoparasites and endoparasites? 2. What […]