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Chapter 4 - Lesson 3 - Energy Flow Review
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In an energy pyramid, about how much energy is passed from one level to the next?
10 percent
If you use some energy and lose some, where does the rest go?
stored in your tissues
Besides energy, what is something else the book says cycles through nature?
water or nitrogen
What gas do animals take in? Expel?
take in oxygen - expel carbon dioxide
What gas do plants take in? Expel?
take in carbon dioxide - expel oxygen
Fill in the blank: Food chains and food webs show how ________________ flows through an ecosystem.
energy
Herbivore? Omnivore? Carnivore? hawk
carnivore
Herbivore? Omnivore? Carnivore? snake
carnivore
Herbivore? Omnivore? Carnivore? rabbit
herbivore
Herbivore? Omnivore? Carnivore? human
omnivore
Removing what organisms would have the greatest impact on an ecosystem?
producers
Removing which organisms from an ecosystem would result in an INCREASE in the population of mice?
various answers - must be a predator of mice
What would happen if we left in our world suddenly had no decomposers?
The remains of dead plants and animals would start to pile up.
Explain why a consumer would rely on plants even if that consumer didn't eat plants.
The animal it eats relies on plants.
Producer? First-level consumer? Second-level consumer? Third-level consumer? plants
producer
Producer? First-level consumer? Second-level consumer? Third-level consumer? mice
first-level consumer
Producer? First-level consumer? Second-level consumer? Third-level consumer? hawk
third-level consumer
Producer? First-level consumer? Second-level consumer? Third-level consumer? algae
producer
Producer? First-level consumer? Second-level consumer? Third-level consumer? frogs
second-level consumer
Producer? First-level consumer? Second-level consumer? Third-level consumer? grasshopper
first-level consumer
Producer? First-level consumer? Second-level consumer? Third-level consumer? rabbit
first-level consumer
Producer? First-level consumer? Second-level consumer? Third-level consumer? grass
producer
What do almost all food chains begin with?
the Sun
Where does a consumer get its energy?
by eating food
Identify 3 examples of producers from the book.
plants, algae, certain bacteria
What makes its own food from raw materials and energy?
a producer
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