Matter Cycles & Sexual Selection Unit Test Review

Interdependence is....

• when each organism depends on another for matter & energy

• when there is excess carbon and not enough nitrogen in the Env.

• when organisms compete for matter & energy

• when organisms produce both carbon & nitrogen

The shrimp's job in the biosphere is all of the following EXCEPT

• eat the algae to decrease ecosystem overgrowth

• Give nutrients to the algae

• clean the tank of waste

• Give nutrients to the bacteria

The bacteria's job in the ecosphere is all of the following EXCEPT...

• feed on dead algae

• Clean the biosphere

• provide food for the shrimp

• Feed on dead shrimp

The algae's job in the biosphere is all of the following EXCEPT:

• Provide CO2 to the shrimp

• Provide the shrimp with oxygen

• Provide the bacteria with a food source

• Supply the shrimp with a food source

Carrying capacity can be described as...

• Not enough individuals to reproduce

• The number of individuals that the enviroment has enough resources for

• When multiple organism can live in the same environment together in harmony

• When there is higher birth rates than death rates

Earth is also a ______ system like the biosphere

Organisms that can produce their own food are referred to as...

• Heterotrophs

• Autotrophs

• Independent organisms

• Carnivores

Organisms that cannot produce their own food are referred to as...

• Heterotrophs

• Bacteria

• Independent organisms

• Autotrophs

Plants get usable nitrogen from...

• their parents

• herbivores

• the environment

• carnivores

Carbon is a building block of life and is an essential compoent of ___ but not RNA