Which of the following is an organism?
A mosquito
An apple tree
Neither a mosquito or an apple tree
Both a mosquito and an apple tree
Organisms usually classified as producers include:
All plants, but no animals
All animals, but no plants
Some animals and all plants
Some plants and all animals
The Grass ----> Deer -----> maggot relationship best represents:
Energy Cycle
Food Chain
Producer Cycle
Food Web
Which of the following would an ecologists NOT study?
Inherited diseases in humans
Checks and balances in populations
Feeding interactions of organisms
How living and non-living parts of the environment affects organisms
What do biologists call the food relationships among all organisms that share the same environment?
Food chain
Food pyramid
Food system
Food web
Which of the following is an example of producer-consumer relationships?
Frogs eat flies
Rabbits eat grass
Foxes eat rabbits
People eat mushrooms
Mushrooms on rotting logs are __________.
Producer
Primary Consumer
Secondary Consumer
Decomposer
In the picture, the rabbit would be an example of: (check all that apply)
Producers
Tertiary Consumer
Quaternary Consumer
Decomposers
The snake would be an example of: (check all that apply)
Which of the following are the producer(s) in the food web?
Grasses
Deer
Bacteria/Mushrooms
Grasses and Bacteria/Mushrooms
In the food web, how many herbivores are present?
1
2
3
4
In the food web, how many carnivores are present?
What type of energy can be used directly by all organisms?
Chemical energy
Electrical energy
Heat energy
Light energy
What eventually happens to the energy that enters a food web?
It is converted to chemical energy
It is lost as heat
It is recycled by decomposers
It is reused during photosynthesis
Which of the following cannot be cycled by organisms?
Minerals
Carbon
Energy
Water
What best describes the interrelationships between organisms and the biosphere?
In a state of constant adjustment
Independent of human activities
Includes only animals
Involves only direct contact between organisms
What do biologists call a community living together with the abiotic environment?
Abiotic World
Biosphere
Habitat
How much energy is lost to heat as we move up trophic levels (e.g. from producer to primary consumer)
10%
90%
50%
25%
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