WorksheetsFood Chain Pyramid
Total questions: 15
Worksheet time: 15mins
Which of these terms are you still unsure about?
Predator/prey
Producer/Consumer/decomposer/scavenger
10% Rule
Energy pyramid
Herbivore / Omnivore / Carnivore
Approximately how much energy is available to the primary consumer?
20,000
2000
200
2
Approximately how much energy is available to the secondary consumer in this energy pyramid?
20,000 kcal
2,000 kcal
200 kcal
2 kcal
Which trophic level in the pyramid represents the tertiary level?
4
3
2
1
Which consumer receives the greatest amount of energy from the producers
Rabbit
Snake
Hawk
None, they are all the same
Which trophic level in the pyramid has the largest amount of energy?
Producer
Primary Consumer
Secondary Consumer
Tertiary
About _________ percent of the energy at any trophic level is transferred to the next level
5
10
15
20
Identify the tertiary consumer in the following chain
Land plant→ Insect→ Frog→ Heron
Land Plant
Insect
Frog
Heron
Predict what would happen if the seal population disappeared from this food chain.
The Orca whale population would increase
The cod population would increase
The herring population would increase
The algae population would increase
ENERGY PYRAMID TELLS US THE AMOUNT OF FOOD-ENERGY THAT IS PASSED ON FROM ONE TROPHIC LEVEL TO ANOTHER. IF THE PLANTS PRODUCE 1000 kilocalories of energy, (1000KCal), how much energy would be available and passed on to the INSECTS? (USE THE 10% RULE)
1000KCAL
200KCAL
100KCAL
0KCAL
WHAT DOES THE ARROW MEAN?
TRANSFER OF ENERGY
TRANSFER OF WATER
TRANSFER OF ORGANISMS
NONE
NAME THE PRODUCER IN THE FOOD CHAIN
NONE
THRUSH
GREENFLY
LETTUCE
What is the primary source of energy in a food chain pyramid?
Sunlight
Water
Soil
Wind
In a food chain pyramid, which level contains the most energy?
Producers
Primary Consumers
Secondary Consumers
Tertiary Consumers
Which of the following best describes the 10% rule in an energy pyramid?
Only 10% of energy is used by organisms at each level
Only 10% of energy is transferred to the next trophic level
10% of organisms survive at each level
10% of energy is lost as heat at each level
