WorksheetsIGCSE Food Chain/Food Web (core)
Total questions: 18
Worksheet time: 8mins
Which animal is the top predator?
hawk
lizard
snake
grass
Which of the following correctly shows an energy pyramid?
A
B
C
D
How much energy is transferred from one trophic level to the next in an energy pyramid?
1%
10%
100%
90%
What is 10% of 55,000?
55,000
5,500
550
55
Kilocalories (kCal) is a measure of energy. If there are 1000 kCal available for the producers in trophic level #1, how much energy is available for the secondary consumers trophic level #3? (Hint: use the Rule of 10s)
10 kCal
1 kCal
100 kCal
1000 kCal
What is "overfishing"?
Fishing out of season
Catching fish faster than they can replenish
Catching fish from the top of the food chain
Catching more fish than what people eat
Why are large fishing nets a cause of overfishing?
They can catch a larger amount of fish at one time.
They deplete the Earth's supply of nylon.
The nets have large holes to allow fish to get away.
They have spikes that poke the fish.
What is one negative impact of net fishing?
it is easier
a lot of unwanted fish are caught and die
they can catch a lot of fish at one time
the nets come in pretty colors
How would you stop overfishing?
Make new laws that will reduce overfishing.
Create nets that don't catch unwanted fish.
Outlaw people from eating fish.
It isn't my problem because I don't eat fish.
