If a bird eats a mouse that eats grass, the bird is a(n)
Which of the following shows a correct food chain?
The first organism in a food chain is typically a(n)
In an energy pyramid, which level has the most available energy?
first-level consumer level
second-level consumer level
third-level consumer level
The many overlapping food chains in an ecosystem make up a(n)
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?
Image for Question 7
What most likely caused the rabbit population to decrease during the first month
shown in the graph above?
A disease in the population of rabbits
A decreasing population of grasses
An increasing population of hawks
A higher-than-ideal population of snakes
Image for Question 8
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.
Image for Question 9.
Looking at the model above, if the hawks are increased, what will happen to the
grass? Please explain your reasoning.
Describe the role of decomposers 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
Add to my formatives list