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WorksheetsEcosystems
Total questions: 23
Worksheet time: 6hrs 45mins
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
Which trophic level is likely to have the highest amount of toxins?
Producers
1st order consumer
2nd order consumer
Decomposer
What is a toxicity threshold?
The amount of toxins a human can drink
The concentration of a toxin that will kill an organism
The concentration of a toxin that will harm an organism
The frequency of which toxins are introduced into the ecosystem
Which of the following is considered a contaminant?
DDT
Poisonous plants
A hurricane
A hungry bear
Which of the following do not increase your ecological footprint?
Eating meat
Driving to school
Shopping second hand
Having a grass lawn
What is a carrying capacity?
The number of humans that can exist on earth
The biggest carbon footprint that you can have without disturbing the environment
The number of animals and plants in an ecosystem
The maximum number of organisms that an environment can sustain
What would happen if the frogs dissapeared?
The amount of lavender in the ecosystem would decrease
The amount of dragon flies would increase
The amount of eagles would increase
The amount of flies would decrease
