Ecological Interactions MCQs with Answers

What type of relationship is exhibited by a tapeworm and its host?

What type of interaction occurs when one organism feeds on the tissue of plants?

Which interaction describes organisms living in close physical proximity?

What type of interaction involves one organism harming another by releasing toxic chemicals?

What is it called when an animal blends into its environment to avoid predation?

What type of interaction involves one organism using another for transportation?

What is the relationship called when one organism benefits at the expense of another?

What type of ecological interaction involves species sharing resources to minimize competition?

What is the relationship between cattle egrets and cattle?

What is it called when two species require the same limited resource?

Which term describes the interaction where species compete for the same resources?

What type of interaction occurs when both species benefit?

What is the role of decomposers in an ecosystem?

What is the term for species that affect the structure of a community?

What is the term for non-native species that spread widely and become dominant in a community?

What is the primary driver of competition between species?

What type of ecological interaction is demonstrated by lichens?

What term describes the process by which plants produce chemical compounds to inhibit others?

Which term describes the gradual change in species composition in an ecosystem over time?

Which of the following is an example of a keystone species?

What type of interaction occurs when one species benefits by mimicking another?

Which term describes an interaction where two species benefit from each other?

What type of symbiosis is exhibited by bees and flowering plants?

What is the role of pollinators in an ecosystem?

What type of interaction is seen in cleaner fish and their hosts?

Which term describes a close and long-term biological interaction between two different species?

What is the relationship between mycorrhizal fungi and plants?

What is it called when two species evolve in response to each other?

What is the term for an organism that lives on or in a host, causing harm?

What type of interaction occurs when one organism kills and eats another?

Which term describes the area where an organism lives and interacts with its environment?

Which term describes the sequence of changes in an ecosystem after a disturbance?

What term describes a species whose presence has a disproportionate effect on its environment?

What is the term for the role and position a species has in its environment?

What is the term for the symbiotic relationship between nitrogen-fixing bacteria and legumes?

What is the relationship called where one species' presence indirectly benefits another?

What type of interaction occurs between herbivores and plants?

Which term describes the outcome when two species niche overlap extensively?

What is the term for organisms that obtain energy by consuming dead organic matter?

What is it called when one species benefits and the other is neither helped nor harmed?