Food Chain Flashcards
What is the food chain
A linear sequence of organisms through which nutrients and energy pass from one trophic Level to another trophic level of an ecosystem beginning with a primary producer
What is the order of a food chain
Primary producer
primary consumers
secondary consumers
tertiary consumers
Who lies at the first topic level of the food chain
Primary producers
Give to examples of primary producers
Autotrophs
photosynthetic organisms
Give examples of photosynthetic organisms
Plants
algae
cyanobacteria
How do primary producers produce organic matter
Convert light energy to chemical energy
What is primary production
The amount of organic matter produced by autotrophs in a given area during a given period of time
What is the unit of primary production
gm-2day-1
Kg ha-1 year-1
What are primary consumers
Organisms that consume the primary producers
Give examples of primary consumers
Herbivores
algae eaters
bacteria eaters
Who are secondary consumers
The organisms that consume primary consumers
Give examples for secondary consumers
Carnivores
Who are tertiary consumers
Organisms that consume secondary consumers
Give examples for tertiary consumers
Carnivor eating carnivores such as Eagles or big fishes species
