Question 1
Question
What do we call the movement of organisms into a given area from another area?
Answer
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population shift
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immigration
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emigration
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carrying capacity
Question 2
Question
What plant species in the figure below represents a pioneer species if the area is undergoing primary succession?
Answer
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shrubs
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grasses
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lichens
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deciduous trees
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coniferous trees
Question 3
Question
Which of the following is a density-independent limiting factor?
Answer
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seasonal cycles
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competition
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crowding
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disease
Question 4
Question
Which part of the graph represents exponential growth for the population?
Question 5
Question
The graph represent _____ growth, and rabbits are ___ reproductive strategists.
Answer
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logistic, R
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exponential, R
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logistic, K
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exponential, K
Question 6
Question
If the humans eliminate a predator, how would this initially affect the number of prey animals?
Answer
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The number would rapidly decrease
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The number would increase
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The number would remain constant
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The number would slowly decrease
Question 7
Question
Which of the following in not one of the factors that plays a role in population growth rate?
Answer
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population density
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immigration
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death rate
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emigration
Question 8
Question
Which statement best describes the fruit fly population in the part of the curve labeled X in the graph shown in the figure below.
Answer
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The fruit fly population can no longer mate and produce fertile offspring
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The fruit fly population has reached the number of organisms that habitat can support
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The fruit fly population is no longer able to adapt to the changing environmental conditions
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The fruit fly population has an average lifespan of 36 days
Question 9
Question
Which meadow has the greatest biodiversity?
Answer
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Meadow A
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Meadow B
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Meadow C
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Not enough information
Question 10
Question
The human population experienced exponential growth after....
Answer
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the industrial revolution began
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the bubonic plague occurred
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agriculture began
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plowing and irrigation began
Question 11
Question
What is one difference between primary and secondary succession?
Answer
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secondary succession begins on soil, and primary succession begins on bare rock
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Primary succession modifies the environment, and secondary succession does not
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Primary succession is slow, and secondary succession is rapid
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secondary succession begins with lichens, and primary succession begins with trees
Question 12
Question
When individuals in a population reproduce at a constant rate, it is called...
Answer
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exponential growth
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growth density
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logistic growth
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multiple growth
Question 13
Question
Why does the white-tailed deer population drop when carrying capacity is exceeded?
Answer
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resources are too low to support the population
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competition by other animals is greatly reduced
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the height of edible plants exceeds the height of the deer
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weather changes reduce the deer population
Question 14
Question
The graph shows the average number of rabbits and coyotes in an area over time. Which conclusion is best supported by these data?
Answer
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The number of coyotes will be greater than the number of rabbits within a ten-year period
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The number of rabbits will decrease during summer months
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The rabbit population obtains energy by consuming young plants
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The coyote population is influenced by the available number of rabbits
Question 15
Question
A herd of deer lives in an area of Northwest Ohio between two major interstate highways. As the population continues to grow, several deer die from starvation. This example in which type of limiting factor?
Answer
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density-independent
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density-dependent
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abiotic factor
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none of the above
Question 16
Question
When organisms move out of the population, this is known as ....
Answer
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emigration
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immigration
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abandonment
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succession
Question 17
Question
From the graph, determine which time period are birth and death rate equal?
Question 18
Question
There are 150 Saguro cactus plants per square kilometer in certain area of Arizona desert. To which population characteristic does this information refer?
Answer
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geographic distribution
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growth rate
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population density
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age structure
Question 19
Question
The graph shows the interactions of two populations. Population A is made up of living animals. The members of population B feed on these animals. The members of population B are most likely...
Answer
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autotrophs
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prey
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parasites
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predators
Question 20
Question
An undisturbed squirrel population grows until its carrying capacity is reached. Which of the graphs below best resembles this squirrel population?
Question 21
Question
The graph below shows the interaction of the wolf and moose populations on Isle Royale. If the moose population continues to decrease, the wolves' food supply will decrease. What will most likely happen to the wolf population as a result?
Answer
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decreases
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increase slightly
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remain the same
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increase greatly
Question 22
Question
What must occur in a population in order for it to grow?
Answer
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the birth rate and death rate remain the same
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the birth rate becomes lower than the death rate
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the birth rate stays the same and the death rate increases
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the birth rate becomes higher than the death rate
Question 23
Question
Which of the following has caused the human population growth rate to increase?
Answer
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a shift towards an older population
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famine and drought
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the frequency and severity of common diseases
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improvements in nutrition, medicine, and sanitation
Question 24
Question
The table shows how several different populations have changed over a one year time span. Look at each population and determine which population has had an overall increase?
Answer
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population A
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population B
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population C
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population D
Question 25
Question
On what trophic level would you find organisms that use the sun's energy directly to make their own food?
Question 26
Question
The ultimate source of energy for all organisms in life is:
Answer
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water
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oxygen
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nitrogen
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the sun
Question 27
Question
An animal that only eats the flesh of another animal is called a:
Answer
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producer
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herbivore
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carnivore
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omnivore
Question 28
Question
In the following food chain, which organism is the secondary consumer? grass ------> rabbit -------> snake ------> hawk
Question 29
Question
In the above food chain, the snake is an example of a:
Answer
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producer
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primary consumer
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secondary consumer
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tertiary consumer
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quaternary consumer
Question 30
Question
Which of the following organisms is an autotroph?
Question 31
Question
The image represents what type of relationship?
Answer
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competition
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mutualism
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parasitism
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predator/prey
Question 32
Question
In the terrestrial food web above, what would be the effect of a farmer introducing a rat poison into the ecosystem that is toxic to rats and mice?
Answer
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the population of fox would decrease
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the population of grasshoppers would decrease
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the population of hawks would increase
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the population of rabbits would decrease
Question 33
Question
Which of the following is an abiotic factor in an ecosystem?
Question 34
Question
Sea anemones contain a venom that is used to sting and paralyze their prey. The clownfish contains an enzyme in their scales that makes them immune to the venom. This allows them to freely live in the sea anemone without being harmed providing the clownfish with protection. This is an example of what type of relationship?
Answer
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predator-prey
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mutualism
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commensalism
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parasitism
Question 35
Question
Lichen is a symbiotic decomposer that attaches itself to trees and slowly breaks them down. They obtain nutrients from the tree, allowing them to survive and reproduce while the tree slowly dies. What type of relationship is this?
Answer
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predator-prey
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mutualism
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parasitism
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competition
Question 36
Question
Mushrooms and other fungi are responsible for breaking down dead organic matter. In the ecosystem, they are called:
Answer
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producers
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consumers
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decomposers
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scavengers
Question 37
Question
The amount of energy that is passed from one organism to the next in a food chain is:
Question 38
Question
In an energy pyramid, the bottom level represents:
Answer
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consumers
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producers
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scavangers
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decomposer
Question 39
Question
In an energy pyramid, the lowest level has:
Answer
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less energy than the top level
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less energy than the second level
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more energy than the top level
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the same amount of energy is available to a consumer
Question 40
Question
Decomposers are important to ecosystems because they:
Answer
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are at the highest level of the energy pyramid
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change simple compounds into more complex ones
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convert light energy into sugars through photosynthesis
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make nutrients available for producers to use
Question 41
Question
All the following are examples of limiting factors for a population EXCEPT:
Question 42
Question
As populations grow individuals tend to compete for
Answer
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resources
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stress
-
independence
Question 43
Question
An animal that eats only plants is a:
Answer
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primary consumer
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secondary consumer
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tertiary consumer
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primary producer
Question 44
Question
Which of the following is an example of an ecosystem?
Answer
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air, water, grass, badgers
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air, water, sunlight, and soil
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hawks, mouse, badgers, and eagles
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grass, trees, bushes, and flowers
Question 45
Question
The plant receives 3456.8 kcal of energy from the sun. How much energy will the snake end up with? [blank_start]3.4568[blank_end] kcal of energy.
Question 46
Question
Biomagnification is when toxins, such as mercury and DDT, increase in the amount present in an organism as you move up in the food chain/web.
Question 47
Question
Which organism in the food chain would contain the highest levels of DDT poisoning?
Question 48
Question
Two closely related species of birds live in the same tree. Species A feeds on ants and termites, while species B feeds on caterpillars. The two species coexist successfully because