What is an Ecosystem? Australian Museum

What is a ecosystem ?

• A community of living organisms and their physical environment interacting together

• A large forest

• A single species of plant

• A type of weather pattern

What is a niche?

• An organism's role or job in an ecosystem

• An organism's natural habitat

• A type of natural resource

• The number of different species in an ecosystem

Who introduced the concept of the ecosystem into biology?

• Sir Arthur George Tansley

• Ernst Heinrich Philipp August

• Charles Darwin

• Gregor Mendel

What are the two main components of an ecosystem?

• Living organisms and non-living physical conditions

• Plants and animals only

• Water and sunlight only

• Soil and air only

What is an example of a micro ecosystem?

• A pond

• A rainforest

• A large lake

• An ocean

What can lead to the collapse of an ecosystem?

• Introduction of new environmental factors or new species

• Stable weather conditions

• Balanced nutrient cycles

• Presence of native species

What is an example of a biome?

• An entire rainforest

• A small pond

• A tree trunk

• A garden