Formative: Food Webs and Energy Flow
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Last updated over 7 years ago
11 questions
1
If a bird eats a mouse that eats grass, the bird is a(n)
If a bird eats a mouse that eats grass, the bird is a(n)
1
Which of the following shows a correct food chain?
Which of the following shows a correct food chain?
1
The first organism in a food chain is typically a(n)
The first organism in a food chain is typically a(n)
1
In an energy pyramid, which level has the most available energy?
In an energy pyramid, which level has the most available energy?
1
The many overlapping food chains in an ecosystem make up a(n)
The many overlapping food chains in an ecosystem make up a(n)
1
The movement of energy in an ecosystem can be shown by an energy pyramid. An
energy pyramid shows the amount of energy available at each level of a food
chain. A food chain is made up of grain plants, mice, snakes, and hawks. Which
of the following diagrams correctly represents the energy available at each
level in this food chain?
[https://www.quia.com/files/quia/users/jpaydo/energy-pyramid.jpg]
The movement of energy in an ecosystem can be shown by an energy pyramid. An
energy pyramid shows the amount of energy available at each level of a food
chain. A food chain is made up of grain plants, mice, snakes, and hawks. Which
of the following diagrams correctly represents the energy available at each
level in this food chain?
[https://www.quia.com/files/quia/users/jpaydo/energy-pyramid.jpg]
1
What most likely caused the rabbit population to decrease during the first month
shown in the graph above?
What most likely caused the rabbit population to decrease during the first month
shown in the graph above?
4
In one or two sentences, please summarize what the graph is telling you about
gazelles and lions. (The Y-axis is the "Number of Individuals" in that
ecosystem). Use specific numbers to add detail to your summary.
In one or two sentences, please summarize what the graph is telling you about
gazelles and lions. (The Y-axis is the "Number of Individuals" in that
ecosystem). Use specific numbers to add detail to your summary.
1
Looking at the model above, if the hawks are increased, what will happen to the
grass? Please explain your reasoning.
Looking at the model above, if the hawks are increased, what will happen to the
grass? Please explain your reasoning.
1
Describe the role of decomposers in an ecosystem.
Describe the role of decomposers in an ecosystem.
1
After our lessons on food chains, predator-prey relationships (graphs) and
videos in class, name and describe one way you could increase biodiversity in an
ecosystem.
After our lessons on food chains, predator-prey relationships (graphs) and
videos in class, name and describe one way you could increase biodiversity in an
ecosystem.