A
allie o
Guest
I have read over all the notes and I keep failing this test!! Could someone please help me????
1. Species diversity decreases as you move farther from the equator.
A. true
B. false
2. The relationship between Spanish moss and a tree to which it is attached would be considered _________________.
A. symbiosis
B. commensalism
C. mutualism
D. both symbiosis and commensalism
3. What is the name given to the earth's upper atmosphere?
A. ionosphere
B. troposphere
C. stratosphere
D. mesosphere
4. What gas is the leading cause of the greenhouse effect?
A. methane
B. nitrous oxide
C. carbon dioxide
D. halons
5. Energy derived from the heat of the earth's core is known as ______________.
A. solar energy
B. geothermal energy
C. nonrenewable energy
D. both geothermal energy and nonrenewable energy
6. Which of the following lists the correct order (from smallest to largest component) of the ecological pyramid?
A. organism; community; ecosystem; population; biosphere
B. organism; community; population; ecosystem; biosphere
C. organism; population; community; ecosystem; biosphere
D. organism; community; population; biosphere; ecosystem
7. Approximately 10 percent of the energy is destroyed at each step of the energy pyramid.
A. true
B. false
8. What was the purpose of the Endangered Species Act of 1973?
A. It banned the sale of ivory form elephant tusks.
B. It placed threatened species under the protection of the U.S. federal government.
C. It arranged for habitat preserves to be created for endangered species.
D. It set up a reward fund for information leading to the arrest of poachers.
9. An herbivore is an example of a _____________.
A. producer
B. primary consumer
C. secondary consumer
D. both producer and primary consumer
10. What is the ultimate community in the succession process?
A. pioneer community
B. climax community
C. succession community
D. interim community
11. What is believed to be the major cause of depletion of the ozone shield?
A. carbon dioxide
B. sulfuric acid
C. CFCs
D. nitrates
12. Which of these is/are greenhouse gases?
A. ozone
B. methane
C. sulfur oxides
D. all of the above
13. Habitat preserves have been more successful in Africa than in South America.
A. true
B. false
14. Benthos are found most frequently in the littoral zones of lakes.
A. true
B. false
15. Savannas are located in the Southern Hemisphere.
A. true
B. false
16. The rain-shadow effect is tied to ____________.
A. mountains
B. prevailing winds
C. precipitation
D. all of the above
17. What is the most common type of flora found in the temperate forests?
A. conifers
B. hydrophytes
C. deciduous trees
D. epiphytes
18. During the spring and fall turnover, the warmer water rises to the top and the cooler water sinks to the bottom.
A. true
B. false
19. The developing nations have a larger population and account for 80% of the world's annual energy consumption.
A. true
B. false
20. The source point of a river is known as the _________________.
A. headwaters
B. estuary
C. mouth
D. euphotic zone
21. Biological magnification concerns the _____________.
A. amount of pollutants that become concentrated in the bodies of consumers
B. minimum number of organisms in a population needed to avoid extinction
C. introduction of an alien species
D. growth of preferred domesticated species
22. The bays where rivers empty into a marine body are known as _____________.
A. epilimnions
B. estuaries
C. mouths
D. aquifers
23. Deserts receive significantly less rainfall than any of the other biomes.
A. true
B. false
24. More than half of all terrestrial species live in the _____________ biome.
A. temperate forest
B. grasslands
C. tropical rain forest
D. chaparral
25. The maximum population size that the environment can sustain on a consistent basis is known as the ________________.
A. carrying capacity
B. pryamid of biomass
C. maximum viable population
D. climax community
26. What results from the fact that consumers do not limit themselves to one type of organism for food?
A. food webs
B. grazer food chains
C. closed communities
D. critical communities
27. Closed communities contain ecotones.
A. true
B. false
28. Which of the following processes takes longer to complete?
A. Primary succession
B. Secondary succession
29. If a scientist wanted to predict the population growth over the next 50 years, he/she would most likely use _____________.
A. carrying capacity
B. pyramid of biomass
C. age structure
D. all of the above
30. Carbon monoxide poisoning affects hemoglobin's ability to carry respiratory oxygen.
A. true
B. false
1. Species diversity decreases as you move farther from the equator.
A. true
B. false
2. The relationship between Spanish moss and a tree to which it is attached would be considered _________________.
A. symbiosis
B. commensalism
C. mutualism
D. both symbiosis and commensalism
3. What is the name given to the earth's upper atmosphere?
A. ionosphere
B. troposphere
C. stratosphere
D. mesosphere
4. What gas is the leading cause of the greenhouse effect?
A. methane
B. nitrous oxide
C. carbon dioxide
D. halons
5. Energy derived from the heat of the earth's core is known as ______________.
A. solar energy
B. geothermal energy
C. nonrenewable energy
D. both geothermal energy and nonrenewable energy
6. Which of the following lists the correct order (from smallest to largest component) of the ecological pyramid?
A. organism; community; ecosystem; population; biosphere
B. organism; community; population; ecosystem; biosphere
C. organism; population; community; ecosystem; biosphere
D. organism; community; population; biosphere; ecosystem
7. Approximately 10 percent of the energy is destroyed at each step of the energy pyramid.
A. true
B. false
8. What was the purpose of the Endangered Species Act of 1973?
A. It banned the sale of ivory form elephant tusks.
B. It placed threatened species under the protection of the U.S. federal government.
C. It arranged for habitat preserves to be created for endangered species.
D. It set up a reward fund for information leading to the arrest of poachers.
9. An herbivore is an example of a _____________.
A. producer
B. primary consumer
C. secondary consumer
D. both producer and primary consumer
10. What is the ultimate community in the succession process?
A. pioneer community
B. climax community
C. succession community
D. interim community
11. What is believed to be the major cause of depletion of the ozone shield?
A. carbon dioxide
B. sulfuric acid
C. CFCs
D. nitrates
12. Which of these is/are greenhouse gases?
A. ozone
B. methane
C. sulfur oxides
D. all of the above
13. Habitat preserves have been more successful in Africa than in South America.
A. true
B. false
14. Benthos are found most frequently in the littoral zones of lakes.
A. true
B. false
15. Savannas are located in the Southern Hemisphere.
A. true
B. false
16. The rain-shadow effect is tied to ____________.
A. mountains
B. prevailing winds
C. precipitation
D. all of the above
17. What is the most common type of flora found in the temperate forests?
A. conifers
B. hydrophytes
C. deciduous trees
D. epiphytes
18. During the spring and fall turnover, the warmer water rises to the top and the cooler water sinks to the bottom.
A. true
B. false
19. The developing nations have a larger population and account for 80% of the world's annual energy consumption.
A. true
B. false
20. The source point of a river is known as the _________________.
A. headwaters
B. estuary
C. mouth
D. euphotic zone
21. Biological magnification concerns the _____________.
A. amount of pollutants that become concentrated in the bodies of consumers
B. minimum number of organisms in a population needed to avoid extinction
C. introduction of an alien species
D. growth of preferred domesticated species
22. The bays where rivers empty into a marine body are known as _____________.
A. epilimnions
B. estuaries
C. mouths
D. aquifers
23. Deserts receive significantly less rainfall than any of the other biomes.
A. true
B. false
24. More than half of all terrestrial species live in the _____________ biome.
A. temperate forest
B. grasslands
C. tropical rain forest
D. chaparral
25. The maximum population size that the environment can sustain on a consistent basis is known as the ________________.
A. carrying capacity
B. pryamid of biomass
C. maximum viable population
D. climax community
26. What results from the fact that consumers do not limit themselves to one type of organism for food?
A. food webs
B. grazer food chains
C. closed communities
D. critical communities
27. Closed communities contain ecotones.
A. true
B. false
28. Which of the following processes takes longer to complete?
A. Primary succession
B. Secondary succession
29. If a scientist wanted to predict the population growth over the next 50 years, he/she would most likely use _____________.
A. carrying capacity
B. pyramid of biomass
C. age structure
D. all of the above
30. Carbon monoxide poisoning affects hemoglobin's ability to carry respiratory oxygen.
A. true
B. false