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How does generation time affect population growth rate?


A) the longer the generation time, the more stabilized the population growth rate
B) the shorter the generation time, the higher the population growth rate
C) the shorter the generation time, the lower the population growth rate
D) the longer the generation time, the shorter the population growth rate
E) the longer the generation time, the higher the population growth rate

F) A) and C)
G) A) and E)

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Based on information in this figure on birth rates and wealth, what can be inferred about a population's birth rate as it relates to the Gross Domestic Product in the country? Based on information in this figure on birth rates and wealth, what can be inferred about a population's birth rate as it relates to the Gross Domestic Product in the country? A) Birth rates are higher in countries with lower wealth because the women are older when they give birth. B) Wealthier countries have higher birth rates. C) Wealthier countries have higher birth rates because people can afford more children. D) Poorer countries have lower birth rates. E) Birth rates are higher in countries with lower wealth because the women are younger when they give birth.


A) Birth rates are higher in countries with lower wealth because the women are older when they give birth.
B) Wealthier countries have higher birth rates.
C) Wealthier countries have higher birth rates because people can afford more children.
D) Poorer countries have lower birth rates.
E) Birth rates are higher in countries with lower wealth because the women are younger when they give birth.

F) B) and C)
G) B) and E)

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The approximate transfer of energy from one trophic level to the next higher trophic level is________ .


A) unable to be determined
B) 10%
C) a 50% decrease
D) 1%
E) increasing, the higher one goes in the food web

F) C) and E)
G) C) and D)

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Tertiary consumers are usually in which trophic level?


A) decomposers
B) 1st trophic level
C) 2nd trophic level
D) 3rd trophic level
E) 4th trophic level

F) B) and C)
G) A) and E)

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The monarch butterfly- milkweed relationship is best described as an example of________.


A) coevolution
B) parasitism
C) carnivory
D) succession
E) commensalism

F) C) and E)
G) B) and E)

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An organism's ________for many environmental factors determines where it can live.


A) adaptations
B) survivorship
C) range of tolerance
D) fitness
E) carrying capacity

F) B) and E)
G) A) and E)

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Which of the following is not a reason that poor families in developing countries might have many children?


A) Most children survive beyond one year.
B) high mortality among the young
C) Children are helpers for essential chores on the farm.
D) The more males born to a family, the better it is for managing the family farm or business.
E) to assure care of parents in their old age
Which of the following is not a reason that poor families in developing countries might have many children? A) Most children survive beyond one year. B) high mortality among the young C) Children are helpers for essential chores on the farm. D) The more males born to a family, the better it is for managing the family farm or business. E) to assure care of parents in their old age

F) D) and E)
G) A) and B)

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The feeding interactions among species in a community are best described as a(n) ________.


A) trophic level
B) trophic cascade
C) succession
D) food web
E) energy flow

F) A) and D)
G) None of the above

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Why might there be a lot of spacing between the desert plants shown growing in this photo? Why might there be a lot of spacing between the desert plants shown growing in this photo? A) The plants need room to grow and expand as they mature. B) The plants exploit the nitrogen produced in the atmosphere causing only stronger plants to survive the harsh desert- like environment. C) The other plants around them have died because there is not enough space in the desert area where they grow. D) The plants exploit water and nutrients preventing other shrubs from establishing in their area. E) The roots of strong plants are established and force other plants out because they are more mature.


A) The plants need room to grow and expand as they mature.
B) The plants exploit the nitrogen produced in the atmosphere causing only stronger plants to survive the harsh desert- like environment.
C) The other plants around them have died because there is not enough space in the desert area where they grow.
D) The plants exploit water and nutrients preventing other shrubs from establishing in their area.
E) The roots of strong plants are established and force other plants out because they are more mature.

F) A) and D)
G) D) and E)

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Herbivores feed on________ .


A) parasites
B) fungi
C) plants
D) animals
E) bacteria

F) D) and E)
G) B) and C)

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Genetic drift refers to________.


A) a change in the overall distribution of a population
B) a change in the frequency of genes in a population because of tectonic plate movement
C) a change in the frequency of a population's inherited trait brought about by a chance event
D) a change in the frequency of a population's genes because of mutation
E) a change in the frequency of a species' occurrence

F) B) and C)
G) A) and E)

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According to the figure, the specific location of photosynthesis is________ . According to the figure, the specific location of photosynthesis is________ . A) the plant cell B) the atmosphere C) the plant D) the chloroplast E) the atmosphere and the plant


A) the plant cell
B) the atmosphere
C) the plant
D) the chloroplast
E) the atmosphere and the plant

F) B) and E)
G) A) and B)

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Most organisms feed on something in their ecological community. Match the organism with what they feed on or live on in the ecosystem. -Herbivore


A) Carry a parasite to other organisms
B) Feed on other living organisms
C) Hunt and kill animals for food
D) Live on plants and animals but usually do not kill them
E) Feed on plants

F) C) and D)
G) C) and E)

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-The organism most likely to be vulnerable to global climate change is________. A) rainbow trout B) rainbow trout and Antarctic ice fish C) Antarctic ice fish D) desert pupfish E) desert pupfish and all its relatives -The organism most likely to be vulnerable to global climate change is________.


A) rainbow trout
B) rainbow trout and Antarctic ice fish
C) Antarctic ice fish
D) desert pupfish
E) desert pupfish and all its relatives

F) All of the above
G) B) and C)

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Which statement most accurately describes the population control efforts in India?


A) Changing public attitudes about family size and timing through education and counseling.
B) A one- child policy that is enforced through taxation works best for controlling population.
C) Lack of education and health care and improved opportunities for women decreases fertility rates
D) There is little governmental financial support for birth control for all couples.
E) Increasing child survival, elevating status and employment levels for women, and increasing literacy in the general population will decrease fertility rates.

F) None of the above
G) C) and D)

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An organism's range of tolerance is most closely related to an organism's________ .


A) rainfall minimum
B) habitat
C) ecological niche
D) toxic chemical threshold
E) temperature maximum

F) B) and C)
G) A) and B)

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In asexual reproduction,________.


A) the offspring are genetically related but also genetically distinct
B) the offspring develop from a different zygote
C) the offspring are genetically unique
D) the offspring have identical DNA
E) the offspring are made up of portions of each of the parent's DNA
In asexual reproduction,________. A) the offspring are genetically related but also genetically distinct B) the offspring develop from a different zygote C) the offspring are genetically unique D) the offspring have identical DNA E) the offspring are made up of portions of each of the parent's DNA

F) B) and D)
G) C) and D)

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What are the three requirements for photosynthesis?


A) sunlight, carbon dioxide, and glucose
B) sunlight, carbon dioxide, and water
C) sunlight, nitrogen, and water
D) sunlight, oxygen, and water
E) sunlight, oxygen, and glucose

F) A) and D)
G) C) and D)

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Read the scenario and answer the accompanying questions. Today, finches occupy every continent except Australia, most eating seeds, a diet for which their bills are well-adapted. Over the past several million years, 13 Galapagos finches have come to occupy the varied Galapagos islands. Finches found on these islands have very different bill shapes and feeding behaviors than finches found on the nearby mainland. Darwin gathered a considerable amount of field data on these finches and their habitats in order to propose his findings. -Determining that there were 13 different species of finches, Darwin proposed that they arose by________


A) disruptive selection
B) natural selection
C) stabilizing selection
D) genetic drift
E) convergent evolution

F) A) and B)
G) A) and C)

Correct Answer

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Explain the two major processes that drive the normal functioning of the carbon cycle, and then discuss two ways in which humans have negatively impacted this cycle.

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Photosynthesis and cellular respiration ...

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