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- 1. Multiple Choice
Which is an abiotic factor that would affect the ability of a species of tree to survive in a particular habitat?
availability of minerals in the soil
type and number of tree bugs present
vegetation of the area
type and number of herbivores present
- 2. Multiple Choice
The diagram below shows living and nonliving factors and the interaction between them. The diagram best represents
a species
a population
a community
an ecosystem
- 3. Multiple Choice
Which statement best describes an energy pyramid?
There is more energy at the consumer level than at the producer level.
There is more energy at the producer level that at the consumer level.
There is more energy at the secondary-consumer level than at the primary-consumer level.
There is more energy at the decomposer level than at the consumer level.
- 4. Multiple Choice
In an ecosystem, the more living requirements that two different species have in common, the more intense will be their
ecological succession
competition
energy requirements
evolution
- 5. Multiple Choice
Which level of consumers contains the largest percentage of total stored energy?
Level A
Level B
Level C
Level D
- 6. Multiple Choice
Which level of the pyramid contains autotrophic organisms?
Level A
Level B
Level C
Level D
- 7. Multiple Choice
Which organism is the primary consumer?
algae
crustacean
sunfish
great blue heron
- 8. Multiple Choice
Which is a possible food chain sequence derived from this energy pyramid?
sunfish – algae – great blue heron – crustaceans
great blue heron – crustaceans – sunfish – algae
algae – crustaceans – sunfish – great blue heron
crustaceans – great blue heron – algae – sunfish
- 9. Multiple Choice
Which level of the pyramid contains the greatest number of organisms?
Level A
Level B
Level C
Level D
- 10. Multiple Choice
If birds eat insects that feed on corn, which pyramid level in the diagram below would birds occupy?
A
B
C
D
- 11. Multiple Choice
A carnivore in this desert community is represented by the
lizard
sage
yeast
desert rat
- 12. Multiple Choice
What are the abiotic factors represented in the illustration of an aquarium below?
snail, gravel, and water
snail, fish, and plants
water, light, and gravel
plants, light and water
- 13. Multiple Choice
A moss-covered log is overturned by a hungry bear looking for insects to eat. The bear disturbs an ant colony, and some chipmunks leave the hollow log to search for another home in the forest. Which relationship do these organisms have with each other?
They are all of the same species.
They all require the same type of food.
They are part of a community.
They are abiotic factors in a forest.
- 14. Multiple Choice
Which statement is supported by the information shown?
Foxes, snakes, and sparrows are secondary consumers.
Snakes eat grass, grasshoppers, and frogs.
Rabbits, mice, and grasshoppers contain the greatest amount of stored energy.
Sparrows and hawks are omnivores.
- 15. Multiple Choice
A certain plant requires moisture, oxygen, carbon dioxide, light, and minerals in order to survive. This statement shows that a living organism depends on
biotic factors
abiotic factors
symbiotic relationships
carnivore-herbivore relationships
- 16. Multiple Choice
Which components of the food web are indicated by the letters A, B, and C?
A – primary consumers; B – producers; C – secondary consumers
A – producers; B – secondary consumers; C – decomposers
A – producers; B – primary consumers; C – secondary consumers
A – primary consumers; B – secondary consumers; C – producers
- 17. Multiple Choice
In addition to sunlight, which factor would need to be added to make this a stable ecosystem?
predators
prey
decomposers
herbivores
- 18. Multiple Choice
The table shows the type of food consumed by various animals in a community. Under normal conditions, which organisms in this community would have the greatest amount of stored energy?
grasshoppers
snakes
plants
hawks
- 19. Multiple Choice
The table shows the type of food consumed by various animals in a community. Which animals in the community would be classified as herbivores?
snakes
hawks
spiders
grasshoppers
- 20. Multiple Choice
Energy for this ecosystem originally comes from
water
consumers
sunlight
plants
- 21. Multiple Choice
The greatest amount of available energy is transferred from
level A to level B
level A to level C
level B to level A
level D to level A
- 22. Multiple Choice
Which level in the pyramid would most likely contain members of the plant kingdom?
Level A
Level B
Level C
Level D
- 23. Multiple Choice
Which ecological term best describes the polar bears in the cartoon below?
herbivores
parasites
carnivores
producers
- 24. Multiple Choice
Organisms from a particular ecosystem are shown in the diagram. Which statement concerning an organism in this ecosystem is correct?
Organism 2 is heterotrophic.
Organism 3 helps recycle materials.
Organism 4 obtains all of its nutrients from an abiotic source.
Organism 5 must obtain its energy from organism 1.
- 25. Multiple Choice
All ecological pyramids have a base (bottom) level of
herbivores
omnivores
producers
consumers
- 26. Multiple Choice
What is the approximate amount of energy that is available for transfer from one trophic level to the next?
5%
10%
15%
20%
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