Community Ecology Quiz

What is the term used in ecology to describe a group of different species living in the same area?

• Community

• Population

• Habitat

• Ecosystem

What is the term for the relationship between two species where one benefits and the other is harmed?

• Mutualism

• Predation

• Commensalism

• Parasitism

What is the term for the process where organisms change from generation to generation to better protect their offspring from predators?

• Mutation

• Adaptation

• Evolution

• Natural selection

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Which type of ecological regulation occurs when predators on higher trophic levels affect the population size of organisms below them?

• Direct regulation

• Mutual regulation

• Bottom-up regulation

• Top-down regulation

Tags

NGSS.MS-LS2-4

What is the term for a species that disproportionately impacts its community relative to its population size?

• Dominant species

• Pioneer species

• Keystone species

• Indicator species

Tags

NGSS.HS-LS2-6

What is the term for the act of two species sharing the same niche and one species having an advantage over the other?

• Resource partitioning

• Competitive exclusion

• Predation

• Commensalism

What is the term for the process where a community rebuilds after a disturbance, eventually becoming stable in what is known as a climax community?

• Community stability

• Trophic structure

• Ecosystem engineering

• Ecological succession

Tags

NGSS.HS-LS2-6

What is the term for the relationship between two species where one benefits and the other is not affected?

• Commensalism

• Mutualism

• Parasitism

• Predation

What is the term for the process where some organisms use a technique to alleviate the mutually negative competitive relationship?

• Resource partitioning

• Commensalism

• Competitive exclusion

• Predation

What is the term for the interconnected food chains that end up looking more like webs in a community?

• Food chain

• Trophic structure

• Energy transfer

• Food web