(2 points each). Date ons with the best possible answer. Read all cholces before reachis 1. Ecosystem services are generally defined as a. The net primary productivity of an b. The benefits human derive from the Species richness is only an habitat if colonization is b. ecosystem. c. Extinction rates increas proper functioning of ecosystems c. size increases. The services humans pay for to use an ecosystem, such as paying to hike through d. Extinction rates are alv a forest The cost associated with replacing the biogeochemical functions of ecosystems Motunui is an island of 86 km2 253 km from the closest conti km2 in area and 389 km from continent. According to thes 7. d. 2. Which of the following ecosystem services would be highly valuable in terms of reducing greenhouse gas concentrations in the atmosphere? biogeography, which island species richness? a. Motunui because immigration rate rate than Lalotal. a. High levels of primary productivity, or b. Motunui because immigration rat rate than Lalota photosynthesis b. High rates of denitrification High density of flowers that attract pollinators c. Lalotai because immigration r rate than Mot c. d. High runoff storage capacity to prevent flooding d. Lalotai becau The tendency of humans to harvest a wide variety of products from ecosystems, such as wood, food, and medicinal products, speaks to our high dependence on what kind of ecosystem serv 3. immigration rate than Mo The CEO of a local p their nuclear powe 8. a. Regulating services b. Supporting services c. Provisioning services d. Cultural services water regulations pollution. It only r the adjacent river a. Yes. Hea The fact that most conservationists place high value on ecosystems and species they will never use or observe speaks to what kind of valuation? because b. Yes. He 4. becaus a. Direct use value b. Indirect use value c. Option value d. Existence value c. No. H harm d. No. 9. What is a cor The direct conversion of natural habitats to agricultural or commercial lands is the biggest current threat facing biodiversity. 5. pollution an a. Exc b. Lo a. True b. False C. 6. Species-area curves demonstrate a. As the habitat size increases, the number 10. Seasonal followed of species it can support also increases, which enhances species richness.