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Interactions
Test Description: Interactions among organisms
Instructions: Answer all questions to get your test result.
1) How does a species survive a climate change over thousands of years?
A
it adapts to the changing climate
B
it reproduces more rapidly
C
it makes no changes
D
it hibernates and waits for better climate conditions
2) Coyotes are beginning to move back into areas where humans live. They have learned to feed off of human garbage and small pets. This is an example of _____.
A
population shift
B
biodiversity
C
speciation
D
adaptation
3) Which of the following could most easily survive in a saltwater marsh ecosystem?
A
crab
B
dolphin
C
penguin
D
octopus
4) Identify the statement that describes the relationship between a community and an ecosystem
A
communities and ecosystems are unrelated
B
communities and ecosystems are the same thing
C
ecosystems are found within communities
D
communities are found within ecosystems
5) Which waste product from humans do plants use for photosynthesis?
A
oxygen
B
hydrogen
C
carbon dioxide
D
decaying matter
6) The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere is called the
A
nitrogen cycle
B
nitrogen fixation
C
nitrogen assimilation
D
soil nitrogen
7) How are burning fossil fuels and burning calories during exercise similar
A
both processes produce CO2
B
both processes are significant contributors to global warming
C
both processes break down food
D
both processes produce O2
8) nitrogen is returned to soil and air when _____
A
bacteria produce it and leave it as waste
B
plants and animals die and decay
C
animals release it when breathing
D
the atmosphere needs more
9) When a group of animals overpopulates an area, the food supply runs low. What can relieve this situation?
A
surrounding the area with a fence
B
increasing the age of the population
C
using a fence to split the area in half
D
migration of individuals to another area
10) Organisms in overpopulated areas struggle to survive because ________
A
there are not enough mates
B
there is not enough space
C
there is not enough food, water, and shelter
D
there is not enough sunlight
*select an answer for all questions
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