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WorksheetsEcology Quiz 1 REVIEW
Total questions: 15
Worksheet time: 10mins
What term describes all the populations of organisms living in a particular area along with the physical environment that surrounds them?
Ecosystem
Community
Niche
Biotic factors
What is a niche?
To make its own energy and be the base of all food chains
To feed mostly on plants
the role of a consumer in an ecosystem
To show the relative amounts of energy contained within a food web
Which of the following best defines a herbivore?
An organism that consumes other animals
An organism that feeds mostly on plants
An organism that makes its own energy
An organism that transfers energy by being eaten
What is a food chain?
A diagram showing energy amounts in an ecosystem
A series of steps in which organisms transfer energy by eating or being eaten
A community of organisms interacting in an area
A law about energy transfer in ecosystems
According to the 10% Law, what happens when organisms consume food?
90% of the energy is passed onto the next trophic level
10% of the energy is used for growth and reproduction
10% of the energy is passed onto the next trophic level
All of the energy is retained within the organism
What does a food web primarily illustrate?
The interaction of biotic and abiotic factors
The energy flow between different organisms in an ecosystem
The niche of various organisms
The physical environment of an ecosystem
What is a producer?
they make their own food
they cant make their own food
Which organisms are herbivores in the provided food web?
Which organisms are tertiary consumers in the depicted food web?
(a)
Where do producers generally get their energy from?
From other animals
From the soil
From the sun
From water
What are herbivores?
they eat plants
they eat meat
they eat both plants and meat
If energy is not passed in a pyramid, what happened to it?
It is stored indefinitely
It is used for growth and reproduction
It is lost as heat
It is converted to light
If grasshoppers died in a food chain, happens to the bluebird population?
grass --> Grasshopper--> bluebird--> snake--> hawk
Increase dramatically
Decrease due to lack of food
Stay the same
Become predators
know 10 percent law
triangle
how to do it
What is a biotic factor?
non living
living
