Ecology Quiz

What is an Energy pyramid?

• The number of different species in an area

• A diagram that shows the amount of energy that moves from one feeding level to another in a food web

• An organism's particular role in an ecosystem, or how it makes its living

• Relationship in which two species live closely together

What does the term 'Niche' refer to in an ecosystem?

• The number of different species in an area

• Plants and animals that have migrated to places where they are not native

• An organism's particular role in an ecosystem, or how it makes its living

• A relationship in which two species live closely together

What are Invasive species?

• Plants and animals that have migrated to places where they are not native

• An organism that feeds on a living host

• Both organisms benefit from the relationship

• One organism benefits and the other is unaffected

What is a Parasite?

• An organism that benefits from a relationship while the other is unaffected

• An organism that feeds on a living host

• The number of different species in an area

• Both organisms benefit from the relationship

What is Mutualism?

• An organism that feeds on a living host

• One organism benefits and the other is unaffected

• Both organisms benefit from the relationship

• Plants and animals that have migrated to places where they are not native

What does Commensalism describe?

• A relationship where both organisms benefit

• One organism benefits and the other is unaffected

• An organism that feeds on a living host

• The number of different species in an area

What is Symbiosis?

• The number of different species in an area

• A relationship in which two species live closely together

• An organism's particular role in an ecosystem, or how it makes its living

• Plants and animals that have migrated to places where they are not native

What is Biodiversity?

• A diagram that shows the amount of energy that moves from one feeding level to another in a food web

• An organism's particular role in an ecosystem, or how it makes its living

• The number of different species in an area

• Relationship in which two species live closely together

The diagram represents a food chain. The arrows in the diagram indicate the  

• 
  return of chemical substances to the environment
• order of importance of the various organisms.  
• direction of energy flow through a series of organisms
• direction in which organisms move in the environment. 

What is the primary role of producers in a food web?

• To consume other organisms

• To decompose dead material

• To produce energy-rich compounds through photosynthesis

• To scavenge dead animals