Community Interactions
Biology ⇒ Ecology and Environment
Community Interactions starts at 8 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Community Interactions.
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See sample questions for grade 10
A farmer notices that when he plants two types of crops close together, one crop grows poorly while the other is unaffected. What type of interaction is this?
A population of birds feeds on insects living under tree bark. Another species of bird begins to feed on the same insects. What type of interaction is this?
Describe one way in which competition can affect the distribution of species in a community.
Describe the difference between predation and parasitism.
Describe the role of allelopathy in plant community interactions.
Explain how invasive species can disrupt community interactions.
A farmer notices that when he plants two types of crops close together, one crop grows poorly while the other is unaffected. What type of interaction is this?
A population of birds feeds on insects living under tree bark. Another species of bird begins to feed on the same insects. What type of interaction is this?
Which of the following best describes amensalism? (1) Both species benefit (2) One species is harmed, the other is unaffected (3) Both species are harmed (4) One species benefits, the other is harmed
Which of the following best describes the competitive exclusion principle? (1) Two species can occupy the same niche indefinitely (2) Two species competing for the same resource cannot coexist (3) Predators always outnumber prey (4) All species compete equally for resources
Which of the following is an example of a keystone species? (1) Sea otter (2) House mouse (3) Earthworm (4) Domestic cat
Which of the following is an example of commensalism? (1) A cow eating grass (2) A bird nesting in a tree (3) A mosquito biting a human (4) A wolf hunting a deer
Fill in the blank: The gradual process by which species adjust to avoid competition is called __________.
Fill in the blank: The organism that is harmed in a parasitic relationship is called the __________.
Fill in the blank: The process by which one species evolves to resemble another species is called __________.
Fill in the blank: The process by which two species evolve in response to changes in each other over time is called __________.
True or False: All parasites eventually kill their hosts.
True or False: Commensalism is a type of symbiotic relationship.
True or False: Competition occurs when two or more species attempt to use the same limited resource.
True or False: Herbivory is a type of predation.
