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- 1. Multiple Choice
The diagram above represents relationships in an
ecosystem. What is the primary source of energy in
this environment?
cellular respiration in the plants
energy from minerals in the soil
fossil fuels
solar energy
- 2. Multiple Choice
What is one of the best ways to represent the
interdependence of all of the organisms in an
ecosystem?
a cell model
a food chain
a diagram of the water cycle
a food web
- 3. Multiple Choice
Stability within an ecosystem is achieved partially by
the presence of organisms that break down important
molecules and return those nutrients to the soil. These organisms are
plants
herbivores
detritivores
decomposers
- 4. Multiple Choice
The diagram below represents an energy pyramid.
Which type of organism could occupy levels B, C,
and D of this energy pyramid?
consumer
producer
autotroph
carnivore
- 5. Multiple Choice
Producers are generally found at the beginning of a
food chain. Which statement best explains why this
is true?
Producers are usually smaller in size than
consumers.
Producers do not rely on other organisms for
food.
There are always more consumers than
producers in food chains.
Consumers are always more complex
organisms than producers.
- 6. Multiple Choice
Some organisms in an ecosystem are represented in
the pyramid below. In the pyramid, the arrows
labeled X represent
the loss of organisms due to predation
a decrease in photosynthetic organisms
the loss of energy in the form of heat
a decrease in available oxygen
- 7. Multiple Choice
A single individual belonging to a specific species
Biotic
Community
Organism
Reptile
- 8. Multiple ChoiceAll of the living and nonliving things in an area that interact with each other are called a/an ______.communityhabitatpopulationecosystem
- 9. Multiple ChoiceTwo or more members of a particular species living and interacting in the same areaCommunityPopulationOrganismsBiosphere
- 10. Multiple ChoiceDifferent populations living and interacting with each other in the same areaBiomeEcosystemCommunityNiche
- 11. Multiple ChoiceWhat may happen if the snowshoe hare was removed from the food web pictured?The insects in the habitat would increase.The shrew population would decrease due to being only hawk food source.The willow tree population would decrease.Foxes would dies due to no food source.
- 12. Multiple ChoiceIn the food web shown, the snail would be considered...primary consumersecondary consumertertiary consumerproducer
- 13. Multiple ChoiceThe amount of energy that usually transfers from one trophic level to the next...10%20%80%50%
- 14. Multiple Choice
Which of the following types of ecological pyramids follow the rule of 10%? (check all that apply)
Energy Pyramid
Numbers Pyramid
Biomagnification Pyramid
Biomass Pyramid
- 15. Fill in the Blank
Any living factor in an environment is called a(n) _______________ factor.
- 16. Fill in the Blank
Any non-living factor in an environment is called a(n) _______________ factor.
- 17. Multiple Choice
The diagram represents an biomass pyramid.
If 500 kg of organisms were present in trophic level "A", what would be the biomass of trophic level "B"?
500 kg
5,000 kg
50 kg
5 kg
- 18. Multiple Choice
The diagram represents a biomass pyramid.
If 100 J of energy were transferred from trophic level "B" to "C", how much energy was present in trophic level "A"?
10,000 J
1,000 J
100 J
100,000 J
- Answer choicesTagsAnswer choicesTags