WorksheetsSymbiotic Relationship
Total questions: 10
Worksheet time: 8mins
A lichen is a combination of fungus and algae that lives on the sides of trees, rocks, and other materials. The fungus provides the algae with water and minerals and the algae uses the water and minerals to make food for both organisms. What type of relationship does the lichen represent?
Parasitism
Commensalism
Mutualism
Which of the following in NOT an example of a symbiotic relationship?
A mother bear caring for her cub
Worm living in a cow's intestine
A bacterial infection
When a symbiotic relationship benefits both organisms, it is an example of:
Commensalism
Mutualism
Parasitism
How does a crocodile benefit from a bird eating from its mouth?
It gets its teeth clean
It gets to eat the bird
It gets a defense against flies
How do people benefit from bacteria in their intestines?
The bacteria prevents humans from getting sick.
The bacteria allows humans to eat a wider variety of foods
The bacteria allows humans to go longer without eating
When a symbiotic relationship helps one organism and hurts the other it is an example of:
Commensalism
Mutualism
Parasitism
The harmed species in a parasitic relationship is called:
The occupant
The parasite
The host
The following picture is an example of what kind of symbiotic relationship?
Commensalism
Mutualism
Parasitism
The following pictures is an example of what kind of symbiotic relationship?
Commensalism
Mutualism
Parasitism
Leeches have been used for medicinal purposes. The leech benefits by getting blood (food) from humans. How do humans benefit from the mutualistic relationship?
The leech helps improve blood flow in the human
The leech reduces the humans chance of a bacterial infection
The leech improves the cosmetic look of the human,
