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- 1. Multiple Choice
A living, or once-living, organism in an ecosystem is a/an ---
abiotic factor.
biotic factor.
- 2. Multiple Choice
A nonliving element in an ecosystem is a/an ---
biotic factor.
abiotic factor.
- 3. Multiple Choice
Which of the following is NOT an abiotic factor?
sun
temperature
soil
grass
- 4. Multiple Choice
Which of the following is NOT a biotic factor?
mushroom
air
elephant
coyote
- 5. Multiple Choice
Which kind of factor would a deer be considered in a forest ecosystem?
abiotic
biotic
- 6. Multiple Choice
Which kind of factor would a fern be considered in a rainforest ecosystem?
abiotic
biotic
- 7. Multiple Choice
Which kind of factor would weather be considered in any ecosystem?
abiotic
biotic
- 8. Multiple Choice
Which kind of factor would sunlight be considered in any ecosystem?
abiotic
biotic
- 9. Multiple Choice
Temperature, light, air, water, and soil are all _____ parts of the environment.
abiotic
biotic
- 10. Multiple Choice
What are the biotic factors in this image?
sunlight, elephants, and grasses
sunlight, water, and air
elephants, plants, and trees
- 11. Multiple Choice
What is the difference between the biotic and abiotic factors?
Biotic factors are living things and abiotic factors are nonliving things.
Biotic factors are nonliving things and abiotic factors are living things.
- 12. Multiple Choice
What is a example of an abiotic factor?
Panda
Bacteria
Butterfly
Weather
- 13. Multiple Choice
The study of relationships between biotic and abiotic factors interacting in the same area is known as ---
Ecology
Biology
Zoology
Botany
- 14. Multiple Choice
All biotic and abiotic factors are ______ because they affect ecosystems.
Different
Connected
Identical
Work individually
- 15. Multiple ChoiceWhat abiotic factors are present in the picture?FireOxygenHeatAll of the Above
- 16. Multiple Choice
A certain plant needs bees to fertilizer it, moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on ---
Biotic and Abiotic Factors
Biotic Factors
Abiotic Factors
None of the Above
- 17. Multiple Choice
Which of the following is a biotic factor operating within an ecosystem?
Predators hunting, killing and eating their prey.
Sunlight increasing the temperature causing fish to die.
Increasing pH because of human pollution in a river system
Destruction of a forest ecosystem because of fire.
- 18. Multiple Choice
Fish dying when the pH of the water their live in gets too high is an example of ---
an abiotic factor limiting an abiotic factor.
an abiotic factor limiting a biotic factor.
a biotic factor limiting an abiotic factor.
a biotic factor limiting a biotic factor.
- 19. Multiple ChoiceWhich of the following is an abiotic factor that could possibly decrease a population if it drastically changes?CompetitionPredator-prey relationshipsTemperatureDisease
- 20. Multiple Choice
In many desert ecosystems, days are hot and nights are cold. Water is scarce, so animals seek water wherever possible. The spines of a cactus are actually leaves adapted to conserve water. The cactus plants have also adapted to live in thin, sandy soil. Which of the following is a biotic component of a desert ecosystem?
the thin, sandy soil
the wide temperature range
the scarcity of water
the spiny cactus leaves
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