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• Producer/autotroph-definition and example from study site (with labelled picture)
-Producers are organisms that get their energy from nonliving resources, meaning they make their own food. Producers can also be called as autotroph.
-Grass is an example of producers because grass gets its energy from sunlight, water and soil which are abiotic/nonliving factors.

• Consumer/Heterotroph:-Consumers are organisms that get their energy by eating other living or once-living resources. Consumers are also called heterotrophs.
  -Salamander is an example of consumer because it gets energy from other living things.

• Food chain:-Food chain is a sequence that links species by their feeding relationships. This model chain only follows the connection between one producer and a single chain of consumers within an ecosystem.
  -This picture shows food chain because it has a producer and consumers that cycles around. 

• Herbivore:-Herbivores are organisms that only eat plants.
  -A deer only eats plants which describes that deers are herbivores. 

• Carnivore:-Carnivores are organisms that only eat animals.
  -Spider is a carnivore because it only eats animal or dead animals. 

• Omnivores:-Omnivores are organisms that eat both plants and animals.
  -Bears are omnivores because they eat both animals and plants.

• Detritivores:-Detritivores are organisms that eat detritus/ or dead organic matter.
  -Worms are detritivores because it eats dead organic matters.

• Decomposers:-Decomposers are detritivores that break down organic matter into simpler compounds. These are important to the stability of an ecosystem because they return vital nutrients back into the environment.-Fungi is decomposer because it returns nutrients to the environment. 

• Specialist:-Specialist is a consumers that primarily eats one specific organisms or feed on a very small number of organisms.
  -Pandas are specialists because they usually ONLY eat bamboo which shows that they only consume one specific organism.

• Trophic levels (primary, secondary and tertiary):-Trophic levels are the levels or nourishment in a food chain. (Producer-herbivore-carnivore chain has three trophic levels)
  -Primary:Herbivores (such as grass that is supplied by abiotic factors)
  -Secondary: Carnivores that eat the herbivores (such as zebra that only eats herbivores, grass)
  -Tertiary: Carnivores that eat the secondary consumers (such as lion which eats zebra, secondary consumer)

• Food web:-A food web is a model that shows the complex network of feeding relationships and the flow of energy within and sometimes beyond an ecosystem.

• Biomass:-Biomass is a measure of the total dry mass of organisms in a given area. (When a consumer incorporates the biomass of a producer into its own biomass, a great deal of energy is lost in the process as heat and waste)
  -Grass/dried grass are total biomass of the area of study, Korea International School

• Energy pyramid:-An energy pyramid is a diagram that compares energy used by producers, primary consumers, and other trophic levels. It also describes how available energy is distributed among trophic levels in an ecosystem.