EVS 1.2a Food Chains, Food Webs, & Energy Pyramids
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- Question 1 of 20
1. Question
The laws of matter and energy state…
CorrectIncorrect - Question 2 of 20
2. Question
What is the difference between a food chain and a food web?
CorrectIncorrect - Question 3 of 20
3. Question
What is the ultimate source of energy for food chains and food webs?
CorrectIncorrect - Question 4 of 20
4. Question
Select ALL of the following that primary producers need in order to grow and thrive. (4 choices)
CorrectIncorrect - Question 5 of 20
5. Question
How much energy do consumers receive from the organisms they eat?
CorrectIncorrect - Question 6 of 20
6. Question
Why do consumers only receive 10% of the energy from the organisms they consume?
CorrectIncorrect - Question 7 of 20
7. Question
Select ALL of the following that organisms use and lose energy for in order for them to perform important processes to keep them alive. (4 choices)
CorrectIncorrect - Question 8 of 20
8. Question
Match the amount of energy that each organism contains in the following food chain:
Sort elements
- 100% energy
- 1% energy
- 10% energy
- .1% energy
- Producer
- Secondary consumer
- Herbivore
- Apex predator
CorrectIncorrect - Question 9 of 20
9. Question
Match the following to their correct description on the food web:
Sort elements
- Top tertiary consumers/Apex predators
- Producers
- Primary consumers/Herbivores
- Primary/Secondary consumers
- Foxes, Owls
- Carrots, Grasses, Grains
- Rabbits, Mice, Grasshoppers
- Birds
CorrectIncorrect - Question 10 of 20
10. Question
Match the following organisms with what they feed on for energy by analyzing the food web below:
Sort elements
- Mice and Grasshoppers
- Rabbits and Birds
- Grasshoppers and Grains
- Carrots and Grass
- Owls
- Foxes
- Birds
- Rabbits
CorrectIncorrect - Question 11 of 20
11. Question
Why do producers contain 100% of the energy in ecosystems?
CorrectIncorrect - Question 12 of 20
12. Question
What would happen to food chains and food webs if top tertiary consumers/apex predators were removed?
CorrectIncorrect - Question 13 of 20
13. Question
What happens as you go up energy pyramids?
CorrectIncorrect - Question 14 of 20
14. Question
Match the amount of available energy with its correct description on the following energy pyramid:
Sort elements
- Carnivores/Secondary consumers/Omnivores
- Photosynthesis/Primary Producers
- Top carnivores/Tertiary consumers
- Herbivores/Primary consumers
- 1% energy
- 100% energy
- 0.1% energy
- 10% energy
CorrectIncorrect - Question 15 of 20
15. Question
What important function do decomposers have in ecosystems?
CorrectIncorrect - Question 16 of 20
16. Question
Match the answers with their correct answers by analyzing the following energy pyramid:
Sort elements
- Producers
- Tertiary consumers
- Primary consumers, Secondary consumers, Tertiary consumers
- Energy
- They will all die and decompose
- Which organisms receive the most energy?
- Which organisms receive the least energy?
- Which organisms have to consume other organisms to survive?
- What is being transferred as you move up the energy pyramid?
- What do all of these organisms have in common?
CorrectIncorrect - Question 17 of 20
17. Question
The laws of matter and energy state…
CorrectIncorrect - Question 18 of 20
18. Question
What is the difference between a food chain and a food web?
CorrectIncorrect - Question 19 of 20
19. Question
What is the ultimate source of energy for food chains and food webs?
CorrectIncorrect - Question 20 of 20
20. Question
Select ALL of the following that primary producers need in order to grow and thrive. (4 choices)
CorrectIncorrect