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Biology µGCSE:

Food Chains + Webs
+ the environment


10 minutes maximum! (can you do it in 5?)

Q 1+2: The photograph shows some organisms living in a freshwater pond.

frog in pond

1. What are many plants of the same species called?
  • A. group
  • B. forest
  • C. population
  • D. community

2. What is the correct match for each ecological term?

  Community Population ecosystem
A. All the pond organisms The fish The freshwater pond
B. The plants The frog All the organisms in the pond
C. The frogs All the pond organisms The freshwater pond
D. The fish Pond weed The plants in the pond

3-6. A food chain in the pond shown above could be ...

pond weedsmall fishfrogheron (small bird)

3. Which organism is a producer?

  • A. Pond weed
  • B. Small fish
  • C. Frog
  • D. Heron
4. Which organisms are carnivores?
  • A. Pond weed and small fish
  • B. Small fish and frogs
  • C. Pond weed and heron
  • D. Frog and Heron
5. Energy for the food chain comes from what source?
  • A. Pond
  • B. Sun
  • C. Plants
  • D. Frogs
6. How is energy lost from the food chain?
  • A. Respiration and death
  • B. Heat and Light
  • C. Respiration and Heat
  • D. Respiration and decay

7+8: A student is studying a type of snail on the sea shore:

Student studying snails on shore

7. Name the apparatus used to measure the size of the population of snails.
  • A. Tape measure
  • B. Quadrat
  • C. Callipers
  • D. Transect
8. The student found 20 snails in the sampling area.

snails in sample area


How many snails would there be in 1 m2?

  • A. 20
  • B. 40
  • C. 100
  • D. 320

9-10. The diagram shows a food web of organisms found on a rocky shore:

food web of shoreline

9. Which organisms occupy the 2nd trophic level?
  • A. Plankton and Algae
  • B. Barnacles and Top Shells
  • C. Dog Whelks and Crabs
  • D. Sea Birds
10. If all the top shells were collected for human food, which of the following would occur?
  • A. Crab numbers increase
  • B. Algae die
  • C. Dog Whelk Numbers increase
  • D. Barnacle numbers increase