Ecology Test Review AP Biology

Which of the following would be most likely to occur if a disease killed off all of the grasshoppers in an area?

• An increase in mice.
• A decrease in the number of snakes.
• An increase in fox.
• A decrease in grass.

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Some octopi are able to change color and blend in with their environment. What is this an example of?

• cryptic coloration
• mullerian mimicry
• batesian mimicry
• aposematic coloration

Poison dart frogs are poisonous and display bright coloration to warn predators.  What is this an example of?

• cryptic coloration
• mullerian mimicry
• batesian mimicry
• aposematic coloration

Multiple species of bees, wasps, and hornets have similar color and banding patterns.   What is this an example of?

• cryptic coloration
• mullerian mimicry
• batesian mimicry
• aposematic coloration

Many species of insects that are not harmful look similar to bees, wasps, and hornets.   What is this an example of?

• cryptic coloration
• mullerian mimicry
• batesian mimicry
• aposematic coloration

Which of the following correctly describes the interactions between T. castaneum and the parasite.

• The parasite decreases the population density of beetles in each culture dish.
• The parasite increases the population density of beetles in each culture dish.
• The parasite has no effect on the population density of the beetles.

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What is the rate of change for the population grown without a parasite from day 200 to day 400?

• 200 days
• a loss of approximately 15 beetles/200 days
• a loss of approximately 30 beetles/200 days
• 30 beetles

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Which type of succession occurs when soil is not present and what are the pioneer species for this type of succession?

• secondary, annual grasses
• secondary, lichen
• primary, annual grasses
• primary, lichen

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Bacteria in the soil convert nitrates and ammonia into nitrogen gas and hydrogen gas.  What is this process called?

• nitrogen fixation
• denitrification
• cellular respiration
• photosynthesis

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Bacteria found in the soil and in the root nodules of plants are able to convert atmospheric nitrogen into nitrates and ammonia that are usable for plants.  What is this process called?

• nitrogen fixation
• denitrification
• cellular respiration
• photosynthesis

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