Analyze the flow of matter and energy through trophic levels using various models, including food chains, food webs, and ecological pyramids.
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Q 1/12
Score 0
The energy pyramid below shows the energy made available by producers. Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level in this pyramid?
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50 joules
100 joules
500 joules
1,000 joules
Q 2/12
Score 0
The diagram shows a partial East Texas food web. Which table correctly classifies these organisms?
30
12 questions
Q.
The energy pyramid below shows the energy made available by producers. Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level in this pyramid?
1
30 sec
B.12.C: Flow Of Matter & Energy
Q.
The diagram shows a partial East Texas food web. Which table correctly classifies these organisms?
2
30 sec
B.12.C: Flow Of Matter & Energy
Q.
The amount of energy the producers in this energy pyramid provide the primary consumers is 54,000 joules. From this amount, 540 joules are provided to the tertiary consumers. Based on this model, how much of the energy was provided to secondary consumers?
3
30 sec
B.12.C: Flow Of Matter & Energy
Q.
Part of a hydrothermal vent food web is represented in the diagram. Which organisms are both secondary and tertiary consumers in this food web?
4
30 sec
B.12.C: Flow Of Matter & Energy
Q.
The food web shows the flow of energy through a sagebrush-steppe ecosystem. 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 bats’ trophic level?
5
30 sec
B.12.C: Flow Of Matter & Energy
Q.
A student is asked to draw a food web in which the same organism is a primary consumer as well as a secondary consumer. How should the organism be represented in the food web?
6
30 sec
B.12.C: Flow Of Matter & Energy
Q.
A marine ecosystem is represented below. What is lost to the environment at each of the trophic levels of this ecosystem?
7
30 sec
B.12.C: Flow Of Matter & Energy
Q.
A terrestrial food web is shown below. Which of the following lists only organisms that are secondary consumers in this food web?
8
30 sec
B.12.C: Flow Of Matter & Energy
Q.
Which of the following are missing from the food web shown above?
9
30 sec
B.12.C: Flow Of Matter & Energy
Q.
The Texas blind salamander (Eurycea rathbuni) lives in the Edwards Aquifer region around San Marcos. Along with other species the salamander lives in total darkness in the underground crevices and caves of the aquifer region.
The table lists some of the organisms that live in this environment and their food sources. In an energy pyramid for these aquifer cave dwellers, which of the following would be placed at the bottom?
10
30 sec
B.12.C: Flow Of Matter & Energy
Q.
The table lists some organisms found in a swamp ecosystem and their sources of energy. When constructing an energy pyramid of the swamp ecosystem, which of these would be placed at the top of the pyramid?
11
60 sec
B.12.C: Flow Of Matter & Energy
Q.
A partial meadow food web is shown. Based on this food web, which organisms are direct sources of energy for secondary consumers?
