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3.8 Describe at least three human activities that are currently harming biodiversity as described above.
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- List three characteristics of species that would make them less vulnerable to extinction. 1. 2. 3.84. Buffer zones around nature reserves:- a) Exclude all humans. b) Allow native tribes, but exclude all outsiders from living there. c) Allow non-destructive human activities. d) Do not help the problems of habitat fragmentation. e) Are designed to improve the habitat of the reserve.Discuss Five (5) ways by which aquaculture production could be improved in Ghana
- Question 42 In which of these biomes is fire least important? Question 42 options: A) chaparral. B) temperate grasslands. C) alpine tundra. D) conifer forest. Question 43 Transpiration is the process by which Question 43 options: A) water is taken in by the roots. B) water evaporates from the stomata. C) water loss is prevented during photosynthesis. D) water enters an aquifer. Question 44 Lakes become stratified because Question 44 options: A) waters of different density tend to not mix. B) the epilimnion lies above the hypolimnion. C) the thermocline disappears. D) oxygen is limiting.39. Which of the following events does not represent a problem with international commons? A. extraction of fossil fuel reserves in Antarctica, on land not claimed by sovereign nations B. depletion of ocean fisheries outside of nationally-recognized coastal boundaries C. New England farmers grazing their cattle in the town’s common pasture, at no charge D. exploitation of rare earth mineral deposits on the floor of the Pacific Ocean E. release of carbon dioxide into the atmosphere by burning coal, oil, and natural gasSection 5.1 Vanishing Species, continued 1. Review the terms and their definitions in the Mini Glossary on page 48. Circle the terms that refer to things that pose a threat to the biodiversity of an area. 2. Use the outline to help you review this section. Use the question clues below and the head- ings in Read to Learn to fill in the blanks. I. Biological Diversity A. (What is it?) B. (How is it measured?) C. (Where is the highest biodiversity?) II. Importance of Biodiversity A. (What is true of all living things?) B. (What can biodiversity bring to an ecosystem?) C. (What benefit might preserving biodiversity bring humans in the future?) II. A. Extinction can occur B. Species can become endangered or threatened IV. A. Habitat fragmentation B. Habitat degradation 3. In Column 1 are some new concepts you learned about in this section. Column 2 gives one example of each concept. Write the letter from Column 2 on the line next to the concept that matches the example. Column 1 Column 2 1.…
- (15)The text book gives many details about problems with the threats to biodiversity on planet Earth, but one problem which may be inherent in their analysis is (a) they fail to note that biodiversity loss involves population declines (b) they fail to consider human beings as part of the ecosystems that they survey (c) they fail to note that extinction is reversible (d) they fail to point out that if trends continue, we may see the extinction of more than half of all species55. The Sonoran Desert located in the Southwestern United States boasts over 2 000 native plant species. Although the average temperature is very high, there is a fresh water supply flowing from the Colorado river and the area benefits from bi-seasonal rainfalls.The Sonoran Desert’s biodiversity can be attributed to Select one: a. favourable biotic factors that increase biotic potential b. favourable abiotic factors that reduce environmental resistance c. low interspecific competition and high intraspecific competition d. high interspecific competition and low intraspecific competition42. Which of the following would not be illegal under the Endangered Species Act? A. Having a permit to capture an endangered species for.research B. Digging up an endangered plant in your backyard and selling it C. Destroying the habitat of an endangered plant during the building of a federal highway D. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the animal was well cared. 43. Which of the following would not be illegal under the Endangered Species Act? A. Having a permit to capture an endangered species for research B. Digging up an endangered plant in your backyard and selling it C. Destroying the habitat of an endangered plant during the building of a federal highway D. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the animal was well cared. 44. Which situation illustrates the relationship between a limiting factor and population density? A. When birth rate is greater than death rate, population…
- 56. Which of the following would most likely have the greatest positive impact on the quality of the natural environment worldwide? (A) Discovery of new reserves of fossil fuel in coastal areas (B) Increased agricultural production on marginal desert lands (C) Increased life expectancy in more developed nations (D) Increased reliance on food from ocean ecosystems (E) Stabilization or reduction of the size of the human populationProtecting biodiversity 1. What characteristics make a species MORE susceptible to extinction/endangerment? (And conversely,what characteristics of a species would make it LESS susceptible?) 2. How were hunting & fishing laws an important “first step” in conserving biodiversity? 3. How is the endangered species act different from a fish/game law? 4. What important “addition” to our interpretation of what the ESA prohibits was established in 1995?Name some ways that preserving biodiversity conflicts with human interests.