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WorksheetsConcept 3.3: Interactions in Ecosystems
Total questions: 10
Worksheet time: 2hrs 47mins
Living things that affect the ecosystem.
rocks
pokemon
abiotic
biotic
Not living; not produced by living things
Biotic
Abiotic
Consumer
Producer
A bear catching and eating a salmon from a river is an example of...
predation
commensalism
mutualism
parasitism
What is the role of decomposers in an ecosystem?
They produce oxygen.
They consume other organisms.
They break down dead material.
They create water.
What type of relationship exists between bees and flowering plants?
Predation
Commensalism
Mutualism
Parasitism
What process do plants use to convert sunlight into food?
Respiration
Photosynthesis
Fermentation
Decomposition
Which gas is released by plants during photosynthesis?
Oxygen
Carbon Dioxide
Nitrogen
Hydrogen
What is the primary source of energy for the Earth's ecosystem?
Wind
Sunlight
Geothermal heat
Water
Which of the following is a producer in an ecosystem?
Lion
Grass
Fungi
Wolf
Which of the following organisms is a primary consumer in a food chain?
Wolf
Grasshopper
Hawk
Snake
