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Science/Biology

Trophic Levels Quick Check

(1) The primary source of energy in most ecosystems is/are
(answer or a) the sun

(2) Which would be an autotroph in a grassland ecosystem?
(a) prairie cordgrass

(3) Which of the following Best explains why there are fewer secondary consumers than producers?
(a) around 10% of the energy is transferred to support the next trophic level

(4) Which tropic level in just the most biomass in order to receive the energy they need?
(a) tertiary consumers

(5) Wolves are reintroduced to Yellowstone National Park Inn 1995. They began to hunt the abundant elk population, so elk numbers decreased. The elk carcass is provided food for other predators, like foxes,…….
Which of these species is a keystone species?
(a) wolves

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  1. This is 100% correct you can trust it if you want I posted this since I had a bit of trouble finding them especially the last question

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  2. can confirm 100% corect

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  3. yep, I got 5/5. thanks leaf!

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  4. Leaf is correct

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  5. Thanks Leaf

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  6. THANKS LEAF!

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  7. Leaf is correct, thank you!

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  8. thanks dog

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  9. Yep! 100% Leaf!
    The letters are of course wrong because the order switched but the word answers are right

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  10. Thanks Leaf!!! 100!!!

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  11. yes 100% correct , tysm !

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  12. thank sm

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  13. thanxx:(u da best

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