Energy Flow
Biotic or Abiotic
Challenge Questions
Food Chains
Vocab
100
It is an organism that makes its own food.
What is a producer (autotroph)?
100
Living
What is biotic?
100
What is a Biome? Give an example of one.
Different climates, and examples may vary
100
What does a food chain represent?
The transfer in energy
100
From the water cycle, define evaporation
When water goes from a liquid to a gas
200
An animal that only eats producers (plants)
What is an herbivore?
200
Non-living
What is abiotic?
200
What is the largest level of organization?
What is bioshpere?
200
Draw an energy pyramid for the food chain below. Be sure to indicate the energy percentages.
Draw on board
200
What is the difference between a community and an ecosystem?
Community - all the living stuff
Ecosystem - all the living AND non-living stuff
300
Animals that only eat meat
What is a carnivore?
300
Grass, trees, insects are all examples of
What is biotic?
300
Is there an end to the water cycle? Justify your answer
No, if water was not cycled we would run out of water quickly.
300
What would happen to the rabbits if the owl population increases dramatically? 
The rabbit population would decrease dramatically
300
What is the difference between Photosynthesis and Chemosynthesis?
Photosynthesis - needs the sun
Chemosynthesis - needs chemicals
400
An organism that only eats dead stuff
What is a decomposer?
400
Oxygen and Sunlight are examples of
What is abiotic?
400
Do abiotic factors affect biotic factors? Justify your reasoning
Yes, they do. Reasonings may vary
400
Given the food chain, what would it mean for the grass if all the rabbits disappeared?
?
The grass population would decrease, since the grasshoppers would increase in population
400
When water is absorbed by the soil and funneled down to groundwater
Infiltration
500
Eat both producers and consumers
What is an omnivore?
500
Bacteria and Fungi are examples of
What are biotic factors?
500
What percent of energy is LOST in an energy pyramid?
90%
500
Give an example of a food chain with 5 trophic level.
Answers will vary
500
Describe 2 roles that bacteria play in the nitrogen cycle
Answers will vary