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WorksheetsEcosystems ST
Total questions: 24
Worksheet time: 2hrs 0mins
What trophic level is a producer?
1st trophic level
2nd trophic level
last trophic level
highest trophic level
What trophic level is the sperm whale?
7
4
5
3
Which of the following is a heterotroph?
A plants that produces energy
A decomposer that turns organic matter to inorganic matter
A rock after a disaster
A chemoautotrophic bacteria
What is another way of describing a second order consumer?
A omnivore
A herbivore
A vegan
A carnivore
Which of the following is a 1st order consumer?
A human
A butterfly
A mosquito
A spider
Which of the following is not conserved in an ecosystem?
Hydrogen
Heat
Oxygen
Carbon
Select all of the following that can photosynthesize?
A mushroom
A flea
A lichen
An apple tree
A tiger
Detritus is matter composed of waste products of living things such as dead leaves and fecal matter. Which of the following gets its energy from detritus.
A vulture
A palm tree
A bat
A worm
Which of the following turns organic matter into inorganic matter?
Producers
Fungi
Consumers
Herbivores
Which of the following is considered organic?
Salt
Pepper
A metal spoon
Water
Select ALL of the following elements which are important for sustaining life:
Hydrogen
Aluminium
Phosphorus
Nitrogen
Oxygen
There is the same amount of energy at the top of the food chain as there is at the bottom
True
False
What would happen if the frogs dissapeared?
The amount of lavender in the ecosystem would decrease
The amount of dragon flies would decrease
The amount of eagles would increase
The amount of flies would decrease
Which of the following ecosystems suffered the most severe disturbance?
Which of the following is completely made up of inorganic materials?
A fallen tree
A calcium stone
The soil
Your body
Which of the following is a producer?
Phytoplankton ⟶ Krill ⟶ Mackerel ⟶ Sea gull
Phytoplankton
Krill
Mackerel
Sea gull
Why is studying ecological succession useful? (select all that apply)
Because we can deduce the severity of a disturbance after it has happened
Because we can predict what will happen to an ecosystem in the future
Because we help prevent disturbances in the future
Because we can help the ecosystem bounce back after a disturbance
Which of the following ecosystem has the highest primary productivity?
A desert
The tundra
A temperate rainforest
A coral reef
Which of the following best describes primary productivity
The rate at which new living things grow
The amount of organic material in an ecosystem
The amount of new organic material introduced into an ecosystem
The productivity of the ecosystem
Which of the following could cause an ecosystem to loose biomass?
An ecological factor
Death
Disturbance
Emigration
