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WorksheetsEnergy in ecosystems
Total questions: 20
Worksheet time: 40mins
Energy can not be created or destroyed. It can only be transferred or transformed.
True
False
Look at the image
How much energy is transferred by the caterpillar in to its growth?
(a)
Which of these shows a possible food chain for an ecosystem?
shark--> fish --> plankton -->sun
sun --> plankton --> fish --> shark
plankton --> sun --> fish --> shark
plankton --> fish --> shark --> sun
What is the role of the rabbit in this food chain?
sun --> plant --> rabbit --> snake
to give energy to the snake
to give energy to the plant
to get energy directly from the sun
to make its own food
When creating a food web, students include arrows. What do the arrows in a food web represent?
Arrows show the transfer of energy between organisms.
Arrows show symbiotic relationships between species.
Arrows show the life cycle between species.
Arrows show which animals have adaptations in an ecosystem.
What organism would have the greatest impact if it was removed from this food web?
goat
wolf
grass
cow
In the food web above, what organism is missing from this food chain:
Grass --> Slug --> ________ --> Hawk
Vole
Frog
Insect
Thrush
What percentage of energy is lost (transferred by organism) at each Trophic level?
0.1%
1%
10%
100%
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the carnivores in trophic level 3?
10 Kcal
1 Kcal
100 Kcal
1000 Kcal
A food _______ consists of many overlapping food ________.
web, chains
chain, webs
pyramid, webs
web, pyramids
All of the living and nonliving things in an area and the interactions among them is--
an organism
a food web
a food chain
an ecosystem
