ecosystem

What is an ecosystem?

• A geographic area with only plants

• A geographic area where plants, animals, and other organisms work together

• A geographic area with only plants and animals

• A geographic area with only weather and landscape

What are abiotic factors of an ecosystem?

• Physical factors such as light and fire

• Chemical factors such as acidity and salinity

• Living organisms in the ecosystem

• Inorganic elements and compounds

What are biotic factors of an ecosystem?

• Chemical factors such as acidity and salinity

• Inorganic elements and compounds

• Physical factors such as light and fire

• Living organisms in the ecosystem

What does the term 'biotic' mean?

• Of or related to inorganic compounds

• Of or related to non-living elements

• Of or related to living organisms

• Of or related to weather and landscape

What is included in the biological (biotic) factors of an ecosystem?

• Only plants and animals

• Plants, animals, bacteria, and viruses

• Only bacteria and viruses

• Only plants and bacteria

What is a species in an ecosystem?

• A group of organisms with different features

• A group of genetically alike organisms

• A group of genetically different organisms

• A group of organisms that cannot inter-breed

What are the main abiotic factors of an ecosystem?

• Acidity, salinity, inorganic nutrients

• Solar radiation, temperature, wind, water currents

• Light, fire, pressure, geomagnetism

• Soil, rainfall, temperature, moisture

What does the term 'eco' imply in ecosystem?

• Environment

• Living organisms

• Inorganic elements

• Physical factors

What does the term 'system' imply in ecosystem?

• Environment

• Interacting, inter-dependent complex

• Inorganic elements

• Living organisms

What are the physical factors of an ecosystem?

• Light, fire, pressure, geomagnetism

• Soil, rainfall, temperature, moisture

• Acidity, salinity, inorganic nutrients

• Solar radiation, temperature, wind, water currents