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WorksheetsLesson 60: Mutualism
Total questions: 10
Worksheet time: 5mins
A lichen is composed of two organisms, an alga and a fungus, which depend on each other for survival. This relationship is called -
commensalistic.
partially obligate.
facultative.
obligate.
In an obligate relationship, the organisms -
participate in the relationship, but do not have to in order to survive.
do not have a direct relationship.
depend on each other for survival.
harm one another.
Symbiosis refers to two organisms' -
living separately.
interacting in a predator-prey relationship.
being of the same species.
living together.
_________________ are fungi that live on the roots of plants and aid in nutrient uptake.
protozoa
lichen
mycorrhizae
chanterelles
A(n) __________________ is an animal that consumes only plants.
herbivore
omnivore
carnivore
autotroph
An example of a mutualistic relationship is one between -
a mosquito and a human.
a fox and a rabbit.
a tick and a dog.
a honeybee and a flower.
Mycorrhizal ____________ have a mutualistic relationship with plants as they grow on most plant roots and aid in absorption.
protozoa
fungi
algae
enzymes
Select all answers below that describe the relationship between a rhinoceros and a bird that eats flies and parasites from the rhinoceros's skin.
Parasitic
Facultative
Mutualistic
Partially obligate
The microorganisms that occupy the digestive system of herbivores benefit from the relationship by -
obtaining nutrients from the materials consumed by the herbivore.
feeding on the herbivore's tissues.
obtaining oxygen from the herbivore.
causing illness to the herbivore.
In a facultative relationship, the organisms -
harm one another.
depend on each other for survival.
do not have a direct relationship.
participate in the relationship but do not have to in order to survive.
