Ecosystem Quiz

What is an ecosystem?

• A system formed by computers and networks

• A system formed by chemicals and reactions

• A system formed by planets and stars

• A system formed by environments and their organisms

Who first discovered the concept of 'ecosystem'?

• G. Evelyn Hutchinson

• Charles Elton

• Raymond Lindeman

• Arthur Tansley

What controls the overall structure of a forest ecosystem?

• Time and potential biota

• Climate

• Internal factors

• External factors

What is the primary driver of a forest ecosystem according to Raymond Lindeman?

• Flow of energy

• Parent material

• Climate

• Topography

What is the main process for the production of organic matter in ecosystems?

• Photosynthesis

• Shading

• Decomposition

• Root competition

What are biotic factors in a forest ecosystem?

• Topography factors

• Climate factors

• Non-living components

• Living organisms

What are abiotic factors in a forest ecosystem?

• Non-living components

• Living things

• External factors

• Internal factors

What is the term used for the ability of a forest ecosystem to withstand a wildfire and recover?

• Primary production

• Ecological resilience

• Nutrient cycling

• Ecosystem dynamics

What do decomposers do in a forest ecosystem?

• Break down dead organic matter

• Control ecosystem processes

• Facilitate photosynthesis

• Absorb disturbance

What do ecosystems provide that people depend on?

• Goods and services

• Energy and materials

• Ecosystem restoration

• Climate control