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WorksheetsEnergy Flow in an ecosystem
Total questions: 25
Worksheet time: 16mins
What happens to the energy as it moves through a food chain?
It increases
It remains unchanged
It increases by 10%
It decreases
What is another term for an autotroph?
consumer
herbivore
producer
decomposer
A bear hunts, catches and eats fish. What type of relationship is this?
competition
predation
parasitism
commensalism
Which biome has 4 distinct seasons?
deciduous forest
taiga
grasslands
tropical rainforest
Which two biomes have the least amount of precipitation?
desert and taiga
desert and deciduous forest
desert and grasslands
desert and tundra
Which biome has trees with downward sloping limbs that allow snow to slide off easily?
deciduous forest
taiga
tropical rainforest
tundra
What type of consumer eats both plants and animals?
Herbivore
Carnivore
Omnivore
Identify the producer.
Grass
Mouse
Snake
Hawk
Identify the secondary consumer.
Grass
Mouse
Snake
Hawk
Identify the decomposer.
Grass
Snake
Eagle
Mushroom
Identify the proper food chain.
Plant-Rabbit-Wild Cat-Lion
Mouse-Rabbit-Jackal-Lion
Plant-Owl-Kile-Lion
Plant-Rabbit-Owl-Snake
Which level has the most organisms?
Tertiary Consumers
Secondary Consumers
Primary Consumer
Producers
Which level provides the least amount of energy?
Tertiary Consumer
Secondary Consumer
Primary Consumer
Producer
Which is not a decomposer?
Bacteria
Eathworm
Mushroom
Dandelion
Which of the following organisms would be considered an omnivore?
Snake
Rabbit
Human
Deer
How much energy is passed on to each trophic level in an energy pyramid?
10%
90%
50%
80%
What is the source of energy for food chains/food webs?
the sun (even if not pictured)
Producers
Fertilizer
JOHN CENA!
How much energy is passed on to each trophic level in an energy pyramid?
10%
90%
50%
80%
Which organisms have the most available energy in an energy pyramid?
Producer
Consumer
Decomposer
Scavenger
Where do crickets get their energy?
Cattails
Marsh Grass
Grasshoppers
Shrews
What is a producer?
Organisms that make their own food
Organisms that eat other organisms for energy
organisms that break down dead organisms
Which organisms in the diagram have the largest total energy to give to other organisms?
Cattails and Marsh Grass
Hawks and Snakes
Crickets and Grasshoppers
Shrews and Frogs
What do the arrows indicate in a food web?
What eats what
Where the energy is being transferred
How the animals are related
If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.
hawk population
rabbit population
wildflower population
grass population
In this food web, which two organisms could be harmed if the mouse population were to decrease?
Deer and caterpillar
Wolf and snake
Oak and grass
Hawk and songbird
