If a bird eats a mouse that eats grass, the bird is a(n)
1 point
1
Question 2
2.
The first organism in a food chain is typically a(n)
1 point
1
Question 3
3.
In an energy pyramid, which level has the most available energy?
1 point
1
Question 4
4.
Looking at the model above, if the hawks are increased, what will happen to the
grass? Please explain your reasoning.
1 point
1
Question 5
5.
Which of these organisms are in a trophic level that receives a larger percentage of the energy captured by the producers than the percentage received at the shrews' trophic level?
1 point
1
Question 6
6.
The image shows an energy pyramid for a forest ecosystem. The apex consumer level of this ecosystem contains between 500 and 1000 kilograms of biomass.
Which statement best describes the amount of biomass at the level of the producers?
1 point
1
Question 7
7.
Which of the following organisms is found in the trophic level with the greatest biomass that sustains the ecosystem represented by this food web?
1 point
1
Question 8
8.
Which of the following is a biotic factor that might affect the life of a plant?
