2. Which of the following causes of deforestation is not caused directly by humans? A. overharvesting of wood (for cooking and heating) B. overharvesting of timber (for making paper) C. slash-and-burn agriculture (for farming) D. overharvesting of lumber (for making furniture) E. insect defoliation of trees (by infestations like the Japanese beetle)

2. Which of the following causes of deforestation is not caused directly by humans? A. overharvesting of wood (for cooking and heating) B. overharvesting of timber (for making paper) C. slash-and-burn agriculture (for farming) D. overharvesting of lumber (for making furniture) E. insect defoliation of trees (by infestations like the Japanese beetle)

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter55: Biodiversity And Conservation Biology

Section: Chapter Questions

Problem 4TYK

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Similar questions

The change in the species composition of a terrestrial community from bare and lifeless rock to climax vegetation is called: a. disturbance. b. competition. c. secondary succession. d. primary succession. e. facilitation.
1) Describe some of the specific forest management techniques/strategies that are being currently used to balance wildlife habitat/water quality with logging timber. 2) Describe at least 3 major impacts to salmon caused by Logging, Agriculture and Development in terms of the part of their life cycle that is impacted.
1. The variation in environmental conditions that is beyond the range of tolerance may result in a. None of these b. Deterioration of ecosystem c. Both b and d d. Loss of species that are vital links in food webs 2. Transpiration is a process involved in a. carbon dioxide b. phosphorus c. nitrogen d. water
When an invasive species alters the community structure it is introduced to, what can the consequence be? a. extinction of economically important species b. reduced predation on some native species c. increased predation on some native species d. all of the above
Deforestation ______. a. increases mineral runoff from soil b. decreases local temperature c. increases local rainfall d. all of the above
Which of the following statements is supported by the results of studies at the Hubbard Brook Experimental Forest? a. Most of the energy captured by primary producers is lostbefore it reaches the highest trophic level in an ecosystem. b. Deforested watersheds experience significantly less runoffthan undisturbed watersheds. c. Deforested watersheds lose more calcium and nitrogen inrunoff than undisturbed watersheds. d. Nutrients generally move through biogeochemical cycles veryquickly. e. Deforested watersheds generally receive more rainfall thanundisturbed watersheds.
The loss of an apex consumer would impact which trophic level of a food web? primary producers primary consumers secondary consumers all of the above
The primary producers in an ocean grazing food web are usually._________ plants animals fungi phytoplankton
2) Explain the immediate and secondary effects of removing otters from a kelp forest ecosystem. (use the word: keystone species, biodiverse/biodiversity)
7. Which of the following does NOT contribute to the human impact on the environment? A) The size of the human population. B) Human affluence. C) The rapid evolution of humans compared to other species. D) The speed of change caused by humans. 8. Which of the following may be true of atmospheric CO2? A) The ocean will absorb the excess atmospheric CO2. B) Plant photosynthesis cannot compensate for increased atmospheric CO2. C) When tropical forests are logged, additional CO2 is released into the atmosphere. D) As permafrost melts, more atmospheric CO2 will be absorbed.
1. Two predators feed on small antelope. One predator weighs 100 kg, and the other weighs 35 kg. Explain what might happen if the two predators share the same area. 2. Wolves are reintroduced into a park. As a result, the vegetation changes. Explain how the changes to the vegetation happened. 3. Find out about the niche of wolves in their community. Determine if they are a keystone species. Then, write a one-page essay describing their role in their ecosystem.
3)"Ecosystem engineers" are a special group of keystone species a)True b)False