WorksheetsEnergy Flow: What do you know?
Total questions: 10
Worksheet time: 5mins
Approximately what percentage of original chemical energy produced by the plants would be present in the bird population?
10%
1%
.1%
.01%
If 50 kcal of energy are present in the tomato
plants, approximately how much energy
would be expected in the spider population?
50 kcal
5 kcal
.5 kcal
.05 kcal
Approximately what percentage of original chemical energy produced by the tomato plants would be present in the aphid population?
10%
1%
.1%
.01%
Which of the following groups of organisms is not represented in this food web?
producers
decomposers
herbivores
apex predators
Which organism represents the trophic level containing approximately
1% of the initial amount of chemical energy produced in this ecosystem?
Algae
Copepods
Minnows
Bass
If 25,000 kcal of energy are available in the algae population,
approximately how much energy would be in the bass population?
2,500. kcal
250 kcal
25 kcal
2.5 kcal
Approximately what percentage of original chemical energy produced by the plant population would be present in the population of lizards?
100%
10%
1%
.1%
What do the squiggly arrows represent in this food chain?
the production of oxygen gas by each population of organisms
the absorption of solar energy from the environment
the flow of organic compounds within the ecosystem
the energy released into the environment in the form of heat
Approximately what percentage of energy in the producer population
would be available to the secondary consumers?
10%
1%
.1%
.01%
If 15,000 kcal of energy are available in the producers, about
how much energy would be available to the tertiary consumers?
1,500 kcal
150 kcal
15 kcal
1.5 kcal
