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Biology Le4
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Total cards: 7•Content version: v3•Public deck•Updated: 8/1/2026
Card preview (7)
#1
Front (Question)
Explain why most food chains are 4 or less organisms in length
Back (Answer)
The energy loss is big so its not enough to continue.
#2
Front (Question)
What shape does a pyrimid of energy always take
Back (Answer)
Triangle
#3
Front (Question)
Give 2 reasons why a pyrimid of numbers may have an irregular shape
Back (Answer)
Flees and ticks or if the producer is a tree
#4
Front (Question)
What do the arrows in a food chain represent
Back (Answer)
Direction of energy
#5
Front (Question)
Name three ways in which energy can be lost from a food chain/ web?
Back (Answer)
Heat, movement and undigested materials
#6
Front (Question)
If 90% of the energy is lost what is the remaining 10% used for?
Back (Answer)
The 10% is used for growth
#7
Front (Question)
Desribe a pyrimid of numbers
Back (Answer)
A pyrimid of numbers shows the numbers of organisms at each level of the food chain