Environmental Science Midterm Review

What type of growth model is this?

• exponential growth model
• logistic growth model
• Type I curve
• Type III curve

A species that is NOT native to a particular region is called

• natural
• invasive
• endemic
• extraordinary

organism that has an unusually large effect on its ecosystem

• keystone species
• producer
• heterotroph
• photosynthesis

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

Organisms that can capture energy from inorganic, nonliving sources (for example: the sun)

• Producers

• Consumers

• Detritivores

• Carnivores

Barnacles can be found attached on whales and other oceanic organisms.  The barnacles filter food as the whales swim through the water.  The whale does not benefit from this relationship.  What type of relationship does the whale and barnacle share. 

• Mutualism 
• Commensalism
• Parasitism

If only 10% of the energy transfers to the next level where does the 90% go??

• Chemical energy
• Kinetic energy
• Thermal (heat) energy
• Mechanical energy

Which level of the pyramid contains the most amount of energy?

• Tertiary consumer
• secondary consumer
• Primary consumer
• Producer

Where an organism lives

• habitat
• niche 
• heterotrogh
• biosphere