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Worksheets6.1.4.2 Interactions Within Ecosystems
Total questions: 15
Worksheet time: 10mins
A long-term relationship between organisms of two species that usually involves an exchange of food or energy:
(a)
Match each type of symbiosis with its description:
both organisms benefit
mutualism
one organism benefits, the other is not harmed or benefitted
commensalism
one organism benefits, the other is harmed
parasitism
Which emojis best represent commensalism?
Which emojis best represent parasitism?
Which emojis best represent mutualism?
Wolves hunting in a pack:
cooperative relationship
competitive relationship
predator-prey relationship
Maples, oaks and beech trees growing in a forest:
cooperative relationship
competitive relationship
predator-prey relationship
Orcas hunting and eating seals.
cooperative relationship
competitive relationship
predator-prey relationship
Woodpeckers and squirrels both want to live in holes in trees.
cooperative relationship
competitive relationship
predator-prey relationship
Bees collect nectar and bring it back to the hive.
cooperative relationship
competitive relationship
predator-prey relationship
Fleas on a dog.
commensalism
mutualism
parasitism
Egrets perch on the backs of cattle and eat insects stirred up by grazing.
commensalism
mutualism
parasitism
Arctic foxes follow caribou. When the caribou dig through the snow for lichens, foxes can look for small mammals.
commensalism
mutualism
parasitism
Ants live in the large thorns of acacia trees. Ants get a home; they protect the tree from herbivores.
commensalism
mutualism
parasitism
A mosquito bites a human, transmitting a virus that causes a brain disease.
commensalism
mutualism
parasitism
