Ponds and Wetlands

Quiz

What is the first element of a food chain ?
1. a fish
2. a stone
3. a plant
Is the limnea a hermaphrodite ?
1. Yes
2. No
What is the scientific name of the pike ?
1. rana esculenta
2. chironomidae
3. esox lucius
4. limnaea stagnalis
What does a green frog eat ?
1. plankton
2. bloodworm
3. water flea
How big is a roach ?
1. 15 to 30 cm
2. 5 to 15 cm
3. 35 to 40 cm
Which of these are wetlands ?
1. a pond
2. the Mediterranean sea
3. a plain
4. a swamp
What animal doesn’t live in a wetland ?
1. a grey heron
2. an adder
3. water flea
4. a limnea
Why must wetlands be preserved ?
1. to limit the proliferation of mosquitoes
2. to have drinking water
3. to limit flood risks
What is at the top of pond’s food chain ?
1. a heron
2. plankton
3. a pike
Wetlands are :
1. reserves of biodiversity
2. places where it rains every day
3. fragile ecosystems
Plant plankton feeds on :
1. water
2. zooplankton
3. mineral salts
A pike has got :
1. 20 teeth
2. 70 teeth
3. 700 teeth
Frog eggs hatch tadpoles after :
1. 3 to 4 days
2. 3 to 4 weeks
3. 3 to 4 months
What animal’s scientific name is ardea cinerea ?
1. the grey heron
2. the grass snake
3. the roach
A wetland :
1. acts as a purifying filter
2. is a germ tank
3. can be salty
The bloodworm proliferates in :
1. sand
2. mud
3. polluted places
A water flea is eaten by
1. A firefly larvae
2. A heron
3. A tadpole
Wetland are often destroyed when
1. swimming pools are built
2. ports are built
3. tunnels are built
A heron can be as tall as :
1. 70 cm
2. 95 cm
3. 185 cm
In the light, plant plankton produces :
1. methane
2. CO2
3. O2