Intro to Ecology: Levels of Organization

Play an AI-generated podcast conversation about this lesson

The biosphere includes only the planet's land and water.

False

A species is a group of organisms that cannot breed and produce fertile offspring.

False

An ecosystem consists only of living organisms.

False

A community is a group of different species that live in the same area.

True Signup and view all the answers

Temperature is a biotic factor that influences an ecosystem.

False Signup and view all the answers

A habitat provides only food and shelter to an organism.

False Signup and view all the answers

A life table is an age-specific summary of the reproductive pattern of a population.

False Signup and view all the answers

Abiotic limiting factors such as a storm or a fire are density-dependent.

False Signup and view all the answers

Commensalism is an interaction that is beneficial for both species.

False Signup and view all the answers

Mutualism is an interaction that has a negative effect on one species and a neutral effect on the other.

False Signup and view all the answers

Amensalism occurs when both competitors incur a cost.

False Signup and view all the answers

Community ecology examines the interactions within a single population.

False Signup and view all the answers

Autotrophs are organisms that rely on other organisms for their energy and food supply.

False Signup and view all the answers

Detritivores are a type of decomposer that breaks down dead or decay matter.

False Signup and view all the answers

Energy flows through an ecosystem in a circular direction from autotrophs to heterotrophs and back to autotrophs.

False Signup and view all the answers

A food chain is a network of complex feeding relationships among the various organisms in an ecosystem.

False Signup and view all the answers

About 50% of the energy available within one trophic level is passed to organisms in the next trophic level in an energy pyramid.

False Signup and view all the answers

Parasites are a type of autotroph that produces its own food through photosynthesis.

False Signup and view all the answers

Threatened species are those that are already endangered.

False Signup and view all the answers

Ecosystem services include only purification of air and water.

False Signup and view all the answers

Habitat destruction is the only major threat to biodiversity.

False Signup and view all the answers

Species with smaller ranges or poor dispersal abilities are better protected from extinction.

False Signup and view all the answers

There have been only three mass extinctions in the history of the Earth.

False Signup and view all the answers

Primary succession occurs in an environment where soil already exists.

False Signup and view all the answers

Lichen is an example of a pioneer species in ecological succession.

True Signup and view all the answers

Ecology only focuses on the interactions between organisms and their environment at the organism level.

False Signup and view all the answers

An animal's niche is the same as its environment.

False Signup and view all the answers

Biotic factors include sunlight and temperature.

False Signup and view all the answers

Secondary succession occurs after a natural disaster that destroys the soil and the community.

False Signup and view all the answers

Intro to Ecology: Levels of Organization

Podcast Beta

Questions and Answers

The biosphere includes only the planet's land and water.

A species is a group of organisms that cannot breed and produce fertile offspring.

An ecosystem consists only of living organisms.

A community is a group of different species that live in the same area.

Temperature is a biotic factor that influences an ecosystem.

A habitat provides only food and shelter to an organism.

A life table is an age-specific summary of the reproductive pattern of a population.

Abiotic limiting factors such as a storm or a fire are density-dependent.

Commensalism is an interaction that is beneficial for both species.

Mutualism is an interaction that has a negative effect on one species and a neutral effect on the other.

Amensalism occurs when both competitors incur a cost.

Community ecology examines the interactions within a single population.

Autotrophs are organisms that rely on other organisms for their energy and food supply.

Detritivores are a type of decomposer that breaks down dead or decay matter.

Energy flows through an ecosystem in a circular direction from autotrophs to heterotrophs and back to autotrophs.

A food chain is a network of complex feeding relationships among the various organisms in an ecosystem.

About 50% of the energy available within one trophic level is passed to organisms in the next trophic level in an energy pyramid.

Parasites are a type of autotroph that produces its own food through photosynthesis.

Threatened species are those that are already endangered.

Ecosystem services include only purification of air and water.

Habitat destruction is the only major threat to biodiversity.

Species with smaller ranges or poor dispersal abilities are better protected from extinction.

There have been only three mass extinctions in the history of the Earth.

Primary succession occurs in an environment where soil already exists.

Lichen is an example of a pioneer species in ecological succession.

Ecology only focuses on the interactions between organisms and their environment at the organism level.

An animal's niche is the same as its environment.

Biotic factors include sunlight and temperature.

Secondary succession occurs after a natural disaster that destroys the soil and the community.

More Quizzes Like This

Exploring Ecology: Ecosystems and Interconnected Parts Quiz

Biology and Ecology: Ecosystems, Biodiversity, Organisms' Life Cycle,...

Fisheries Biology: Ecology, Aquatic Ecosystems, and Ichthyology

Introduction to Biology: Part III - Ecology

Upgrade to continue