Ecology Quiz

What is a community in an ecological context?

• A single species living in an area

• A group of populations living together and interacting

• Only plants in a given area

• Only animals in a given area

Which of the following is an example of predation?

• Bees pollinating flowers

• Cows grazing on grass

• Wolves hunting deer

• Lions and hyenas competing for prey

What does interspecific competition involve?

• Organisms of the same species competing

• Different species requiring the same resources

• Predators hunting prey

• Herbivores eating plants

Which interaction involves an infectious microorganism causing disease?

• Herbivory

• Predation

• Interspecific competition

• Pathogenicity

What is mutualism in an ecological context?

• A relationship where one species benefits and the other is harmed

• A relationship where both species benefit

• A relationship where neither species benefits

• A relationship where one species is unaffected

What is mutualism in symbiotic relationships?

• Both species benefit from the interaction

• One species benefits, the other is unaffected

• One species benefits, the other is harmed

• Neither species benefits

Which family of legumes contains nitrogen-fixing bacteria in their root nodules?

• Orchidaceae

• Fabaceae

• Rosaceae

• Poaceae

What is allelopathy?

• A type of mutualism

• Release of chemicals to influence other organisms

• A form of parasitism

• A type of commensalism

What is an example of an invasive species in Australia?

• Red fox

• Kangaroo

• Koala

• Emu

What is the difference between top-down and bottom-up population control?

• Top-down affects producers, bottom-up affects consumers

• Top-down affects higher trophic levels, bottom-up affects producers

• Top-down affects decomposers, bottom-up affects predators

• Top-down affects herbivores, bottom-up affects carnivores