Organisms and their Environment

Autotroph

Herbivore

Decomposer

Carnivore

Fungi - Producer

Green Algae - Primary Consumer

Eagle - Tertiary Consumer

Cow - Secondary Consumer

The movement of water through the ecosystem

The flow of energy from one trophic level to the next

The increase in toxin concentration

The process of decomposition

Chemical energy

Light energy

Heat energy

Nuclear energy

Producer

Primary Consumer

Secondary Consumer

Tertiary Consumer

Fungi

Earthworm

Phytoplankton

Zooplankton

To fix atmospheric carbon into glucose

To turn fossil fuels into organic matter

To release carbon dioxide through respiration while breaking down dead matter

To prevent carbon from entering the atmosphere

Fossilization

Photosynthesis

Respiration

Feeding

Nitrogen gas ($N_{2}$)

Ammonia ($NH_{3}$)

Nitrate ions ($NO_{3}^{-}$)

Nitrite ions ($NO_{2}^{-}$)

The birth rate is significantly higher than the death rate

The death rate is equal to the birth rate

The population has run out of all nutrients and is migrating

The organisms are just beginning to adapt to their environment

Intensity of predation

Spread of a viral disease

Availability of nesting sites

Concentration of dissolved oxygen

Log phase $\rightarrow$ Lag phase $\rightarrow$ Stationary phase $\rightarrow$ Death phase

Lag phase $\rightarrow$ Log phase $\rightarrow$ Stationary phase $\rightarrow$ Death phase

Stationary phase $\rightarrow$ Lag phase $\rightarrow$ Log phase $\rightarrow$ Death phase

Lag phase $\rightarrow$ Stationary phase $\rightarrow$ Log phase $\rightarrow$ Death phase