ESS Topic 2 Quiz

What does "anaerobic" mean?

• With oxygen

• Without oxygen

• With sunlight

• Without sunlight

What is bioaccumulation?

• Increase in population size

• Build-up of pollutants within an organism

• Decrease in biodiversity

• Increase in food chain length

What is a climax community?

• A community that never changes

• A community at the end of succession

• A community with no stable states

• A community with constant population growth

What is community respiration?

• Respiration of a single organism

• Total respiration rate for all populations within a system

• Respiration of plants only

• Respiration of animals only

What is the process called where nitrogen is converted into compounds containing nitrates?

• Photosynthesis

• Nitrogen fixation

• Respiration

• Decomposition

What is the term for the symbiotic relationship in which both partners benefit?

• Parasitism

• Mutualism

• Predation

• Competition

What is the term for the conversion of light energy into chemical energy in the process of photosynthesis?

• Primary producers

• Secondary consumers

• Tertiary consumers

• Decomposers

What does the Pyramid of biomass represent?

• The number of species in an ecosystem

• The standing stock or storage of each trophic level

• The energy flow through a trophic level

• The diversity of species in a community

What is random sampling?

• Selecting samples at regular intervals

• Dividing an area into a grid and selecting coordinates randomly

• Measuring the quality of a habitat

• Counting the number of species in an area

What does a Realized niche describe?

• The potential resources available to a species

• The actual conditions and resources in which a species exists

• The number of species in a community

• The energy flow in an ecosystem