Energy Efficiency Flashcards by alesha nazir

Q

How do animals reduce waste through respiratory energy?

A

reducing movement
heat enclosures

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Q

How do plants reduce energy waste?

A

simplifying food webs by use of pesticides
reducing competition by removing weeds
using fertilizers to keep soil nutrients rich

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Q

How do you calculate percentage efficiency?

A

(energy in higher trophic level / energy in lower tropic level) x 100

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Q

Why is farming expensive to maintain?

A

energy is lost in many ways

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