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- 1. Multiple Choice
Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?
Mutualism
Commensalism
Parasitism
Neutralism
- 2. Multiple Choice
In the wild, some alligators get their teeth cleaned by birds. The birds get their food from the alligators' teeth. What type of symbiosis is this?
Mutualism
Commensalism
Parasitism
Neutralism
- 3. Multiple Choice
In an ecosystem, there are populations of moose, rabbits, grass, and pine trees. Suddenly, a fire blazes through the area, which kills all of the populations. As the months go on, new species of grass begin to take root. This attracts animals, and eventually the ecosystem is restored.
What type of ecological succession happened?
Primary succession
Secondary succession
Tertiary succession
None of the above
- 4. Multiple Choice
In this photo, what is an abiotic factor?
Deer
Grass
Rain
Leaves
- 5. Multiple Choice
Which of the following is an example of a decomposer?
fungus
mouse
plants
frogs
- 6. Multiple Choice
What is an autotroph?
an organism that gets energy from eating other organisms
an organisms that uses sunlight to make its own food
an organism that gets energy from eating dead organisms, non-living material or waste
- 7. Multiple Choice
The shrew provides energy for the -
cricket
grasshopper
frog
snake
- 8. Multiple Choice
Where do all life forms get their energy?
Earth's core
water
plants
the Sun
- 9. Multiple ChoiceAll of the living and nonliving things in an area that interact with each other are called a/an ______.communityhabitatpopulationecosystem
- 10. Multiple ChoiceAn area where an organism finds food, shelter and water in a specific arrangementnichebiospherebiomehabitat
- 11. Multiple Choice
The wavy arrows shown in the food chain most likely indicate -
the release of heat energy into the environment
the release of oxygen produced by respiration
the absorption of heat energy into the organism
the inhalation of oxygen during respiration.
- 12. Multiple ChoiceIn the energy pyramid here, how much of the energy in the producers gets passed to the herbivores?10%20%80%90%
- 13. Multiple Choice
A pod of dolphins hunting and feeding on a school of fish is an example of -
an ecosystem interaction
a population interaction
a community interaction
a biome interaction
- 14. Multiple Choice
78% of Earth's atmosphere is nitrogen gas. The type of organism that is responsible for "fixing" nitrogen (or helping to put it in a form so other living things can use it) is -
bacteria
fungi
plants
animals
- 15. Multiple Choice
Identify the characteristic of life: Green plants produce their own food through the process of photosynthesis.
All living things use energy
All living things contain cells
All living things maintain homeostasis
All living things grow
- 16. Multiple Choice
What is the carrying capacity of the graph?
around 500
more than 800
less than 300
around 700
- 17. Multiple ChoiceWhich of the following would INCREASE the carrying capacity of an ecosystem?increase in predatorsdiseaseincrease in available fooddrought
- 18. Multiple Choice
Which factor limits a population’s size, especially as population numbers become large and dense?
seasonal changes
extreme weather
competition for food
sea level height
- 19. Multiple Choice
The golden-cheeked warbler is a bird that inhabits Central Texas. It requires older growth forest with a denser tree canopy where they forage for a variety of insects, including caterpillars. The clearing of old juniper woodlands for livestock grazing and urban expansion has decreased the area available for nesting. Its resulting endangerment is most likely due to -
the introduction of a predatory species
the introduction of an invasive species
climate change
habitat loss
- 20. Multiple ChoiceCarbon enters the living world through the process of _____.photosynthesisrespirationcombustiondecomposition
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