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10 Cards in this Set
- Front
- Back
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In which situation would an ecosystem have the greatest number of limiting factors? a) After clearing land for a highway.b) After a river floods a cornfield.c) After a forest fire destroys the plant growth.d) After a lava flow creates a new section of land. |
Answer: d) After a lava flow creates a new section of land. |
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A student wants to conduct an investigation to find out how sunlight affects individual leaves on a tomato plant. Which instrument will be most necessary for her to carry out this investigation? a) microscope b) hand lens c) ruler d) balance |
Answer: b) hand lens |
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A hurricane hits a coastal prairie and destroys the habitat. Years later there is an appearance of small plants with rapidly spreading roots. This vegetation describes-- a) a micro habitat. b) primary succession.c) secondary succession. d) biodiversity |
Answer: c) secondary succession |
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Complete this statement. The more diverse an ecosystem is-- a) the more threatened its populations are.b) the more similar the species will be.c) the more stable it is.d) the fewer varieties of species are present. |
Answer: c) the more stable it is |
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Which of the following sequences most likely represents ecological succession on a recently abandoned wheat field? a) grasses, flowering plants, shrubs, native treesb) native trees, shrubs, flowering plants, grassesc) shrubs, grasses, native trees, flowering treesd) flowering plants, native trees, shrubs, grasses |
Answer: a) grasses, flowering plants, shrubs, native trees |
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A pioneer species is most likely able to -- a) survive any predator.b) migrate during the winter.c) live at high altitudes.d) carry out photosynthesis. |
Answer: d) carry out photsynthesis |
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Which of the following situations contributes to the sustainability of an ecosystem? a) increase in biodiversityb) decrease in biodiversityc) extinction of a population from the ecosystemd) removal of many populations of organisms |
Answer: a) increase in biodiversity |
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The growth of which of the following usually occurs first in primary succession on a bare rock? a) Lichens b) Grasses c) Trees d) Shrubs |
Answer: a) lichens |
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During 2013, the state of California experienced many forest fires. In some areas fires burned the forest completely down to ground level. Which of the following is most likely to appear as the first stage of primary succession? a) Soil b) Weeds c) Trees d) Woody Shrubs |
Answer: b) weeds |
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A golf course is an area that man's actions prohibits nature from maintaining balance. If it were abandoned for many years what would you observe? a) No change since it had been maintained for a long period of time.b) Wind and rain would wash the top soil away and the area would progress through a natural succession.c) The progression would include small bushes, soft wood trees and then hard wood trees.d) Hard wood trees would grow, and would be followed by soft wood trees which will help with soil erosion. |
Answer: c) The progression would include small bushes, soft wood trees and then hard wood trees |
