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- 1. Multiple Choice
What are the two categories scientists use to organize organisms based on their main source of energy?
the sun
photosynthesis
autotroph
heterotroph
cellular respiration
- 2. Fill in the Blank
Another name for a autotroph is __________________
- 3. Fill in the Blank
________________ is another name for a heterotroph.
- 4. Open Ended
In your own words, explain how autotrophs and heterotrophs are different.
- 5. Multiple Choice
Which of the following is a producer?
- 6. Multiple Choice
An omnivore...
eats meat/animals/heterotrophs only to get its energy
eats dead or living tissues by using chemicals
eats both plants/autotrophs and meat/animals/heterotrophs to get its energy
eats dead/decaying organisms only to get its energy
- 7. Multiple Choice
A decomposer does not have a mouth and ...
eats meat/animals/heterotrophs only to get its energy
eats dead or living tissues by using chemicals
eats both plants/autotrophs and meat/animals/heterotrophs to get its energy
eats dead/decaying organisms only to get its energy
- 8. Multiple Choice
Classify the animal based on its energy sources. A panda gets its energy by eating bamboo (plants) for its energy. (Choose all that apply)
Autotroph
Heterotroph
Carnivore
Herbivore
Omnivore
- 9. Multiple Choice
Classify the animal based on its energy sources. A human gets its energy by eating vegetables, fruits and meats for its energy. (Choose all that apply)
Autotroph
Heterotroph
Carnivore
Herbivore
Omnivore
- 10. Open Ended
How can you tell the difference between decomposers and detritivores?
- 11. Multiple Choice
What are the two main decomposers on Earth?
vultures
bacteria
worms
fungus
- 12. Fill in the Blank
The main source of energy for all life on earth is _____________
- 13. Fill in the Blank
All food chains start off with a ______________
- 14. Multiple Choice
How many trophic levels in this food chain?
1
2
3
4
- 15. Multiple Choice
Which organism is the secondary consumer?
maize
locust
lizard
snake
- 16. Multiple Choice
What percent of energy makes it from one tropic level to the next?
1%
10%
20%
90%
- 17. Multiple Choice
How are primary consumers different from secondary consumers?
Primary consumers eat only plants; secondary consumers eat other consumers.
Primary consumers eat other consumers; secondary consumers eat only plants.
Primary consumers eat plants and other consumers; secondary consumers eat plants and decompose matter.
Primary consumers eat plants and decompose matter; secondary consumers eat plants and other consumers.
- 18. Fill in the Blank
If the corn starts off with 370,000 J of energy, how much energy does the tertiary consumer get?
- 19. Fill in the Blank
If the grass starts off with 550,000 J of energy, how much energy does the caterpillar get?
- 20. Open Ended
Why are producers/autotrophs so important to animals?
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