Ecology and Populations Quiz P2

Which of the following are all threats to coral reefs?

• zooplankton and phytoplankton only

• chemicals and phytoplankton

• oil spills, chemicals, sewage

• oil spills, sewage, phytoplankton

What do you call the non-living parts of an environment?

• biotic
• abiotic
• biome
• aquatic

What do you call the living things that shape an environment?

• biotic
• abiotic
• biome
• aquatic

In a body of water, the colder area with more nutrients but little to no light is called the:

• Benthic Zone
• Source Zone
• Floodplain Zone
• Pelagic Zone

succession that occurs in an area with no soil

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

succession that occurs in an area where soil is already present

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

the first organisms that appear in an ecological community

• ecological succession 
• primary succession 
• secondary succession
• pioneer speciles

a stable ecological community that has reached equilibrium

• ecological succession 
• climax community
• secondary succession
• pioneer speciles

What is the order of succession shown in this figure?

• A, B, C, D
• B, A, D, C
• C, D, A, B
• D, A, B, C

Which of these organisms is a producer in a marine ecosystem? 

• fish
• gull
• algae
• worm