Question
The diagram shows energy flow through an ecosystem.
In what form is energy transferred at X?
A chemical
B heat
C kinetic
D light
Answer/Explanation
Ans
A
Question
Which row describes how energy flows through a biological system?
Answer/Explanation
Ans: C
Question
The diagram shows a food chain.
What is the efficiency of energy transfer between the maize and the lizards in this food chain?
A 0.01% B 0.1% C 1% D 10%
Answer/Explanation
Ans: C
Question
Energy flows through a food chain.
In which form does the energy first enter the food chain?
A chemical
B heat
C kinetic
D light
Answer/Explanation
Ans: D