WorksheetsYear 7 Science - Exploring Symbiosis in Nature (3)
Total questions: 15
Worksheet time: 8mins
Oxpeckers feed on the ticks found on a rhinoceros. The oxpeckers get a meal and the rhinoceros is helped by the removal of the ticks.
parasitism
commensalism
mutualism
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
mutualism
commensalism
competition
parasitism
A flea feeds on a mouse’s blood. This is good for the flea but bad for the mouse.
mutualism
commensalism
parasitism
A relationship that describe a close interaction between two different species is known as what?
Biodiversity
Symbiosis
Predation
Emigration
What is mutualism?
A relationship where one organism benefits and the other is harmed.
A relationship where both organisms benefit.
A relationship where one organism benefits and the other is unaffected.
A relationship where neither organism benefits.
Which of the following is an example of commensalism?
A bee pollinating a flower.
A barnacle attaching to a whale.
A tick feeding on a dog.
A lion hunting a zebra.
What is the main benefit of symbiosis in an ecosystem?
It increases competition among species.
It helps organisms survive and thrive.
It reduces biodiversity.
It causes environmental degradation.
Which of the following is NOT a type of symbiotic relationship?
Mutualism
Commensalism
Parasitism
Predation
How does commensalism differ from mutualism?
In commensalism, both organisms benefit.
In commensalism, one organism is harmed.
In commensalism, one organism benefits and the other is unaffected.
In commensalism, neither organism benefits.
What is an ecological relationship?
A relationship between two non-living things.
A relationship between two living organisms.
A relationship between an organism and its environment.
A relationship that only occurs in aquatic environments.
Which of the following is a benefit of mutualism?
One organism is harmed.
Both organisms are unaffected.
Both organisms gain benefits.
One organism benefits, the other is unaffected.
What is the role of a parasite in a parasitic relationship?
To provide food for the host.
To benefit from the host while harming it.
To protect the host from predators.
To help the host reproduce.
Which of the following is an example of an ecological relationship?
A rock eroding in a river.
A bee pollinating a flower.
A cloud forming in the sky.
A river flowing into the ocean.
Why is symbiosis important in ecosystems?
It decreases the number of species.
It disrupts food chains.
It promotes biodiversity and stability.
It causes species extinction.
Which of the following is NOT an example of symbiosis?
A bird eating seeds.
A lichen on a rock.
A fish cleaning a larger fish.
A fungus and an alga forming a lichen.
