3.2 SG Flashcards
1
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9
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10
Q
What is the difference between an autotroph and a heterotroph?
A
Autotrophs make their own food while Heterotrophs have to eat other things
11
Q
What is shown in a pyramid of energy vs. a pyramid of numbers?
A
The pyramid of energy shows the rate of energy transfer while the pyramid of numbers shows the relationship between producers and consumers at different trophic levels in terms of their quantitiy.
12
Q
What is the rule of 10?
A
Energy goes down by 10% at every trophic level
13
Q
Why is it considered more efficient to eat at a lower trophic level vs. a higher trophic level?
A
It’s more efficient.
