Ecosystem Relationships and Dynamics Quiz

What leads to competition among organisms in an ecosystem?

• Symbiotic relationships

• Predator-prey dynamics

• Scarcity of limited resources

• Abundance of resources

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What does the term 'carrying capacity' refer to?

• The maximum population size an environment can support

• The total number of species in an ecosystem

• The rate of resource renewal in an ecosystem

• The ability of predators to control prey populations

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What is intraspecific competition?

• Competition between different species

• One species benefiting at the expense of another

• Competition within the same species

• Mutual benefits in a relationship

Which example demonstrates interspecific competition?

• Owls competing for nesting sites

• Bacteria in the human gut

• Lions and hyenas competing for food

• Zebras competing for mates

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Which example illustrates a predator-prey relationship?

• Lions and zebras

• Bears and salmon

• Termites and protozoa

• Hermit crabs and snails

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Which organism is a predator in the given examples?

• Salmon

• Venus flytrap

• Snowshoe hare

• Protozoa

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What is mutualism?

• One organism benefits at the expense of the other

• Both organisms benefit

• One organism benefits, the other is unaffected

• Both organisms are harmed

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Which scenario is an example of commensalism?

• A termite digesting wood

• A cuckoo laying eggs in another bird's nest

• A hermit crab using an abandoned snail shell

• A bear eating salmon

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What is parasitism?

• One organism benefits, the other is unaffected

• Both organisms are unaffected

• One organism is harmed while the other benefits

• Both organisms benefit

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What role do protozoa play in the digestive system of termites?

• They harm the termites by competing for food

• They compete with termites for nutrients

• They help digest cellulose that termites cannot break down on their own

• They provide protection against predators

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