School of Applied
Science
Presented by-IPSITA SAHOO
Reg. no-200705180160
Supervised by-
Dr. SibaPrasad Parida
Subject-Water and soil quality management
Anecosystemis a community of living organisms and
their interactions with their abiotic(nonliving)
environment.
The members of biotic components of an ecosystem
are grouped in to three based on how they get food.
•Producer (plants)
•Consumer (Animals)
•Decomposers (Micro-organisms)
ECOSYSTEM
Ecosystemscanbesmall,suchasthetidepoolsfoundneartherocky
shoresofmanyoceans,orlarge,suchastheAmazonRainforestinBrazil.
Image credit: "Ecology of ecosystems” by OpenStaxCollege, Biology
A consumer is any animal that gets its energy from
consuming anotherorganism.
Inmanyecosystems,thebottomofthefoodchain
consistsofphotosyntheticorganisms(plantsand/or
phytoplankton),whicharecalledprimaryproducers.
Theorganismsthatconsumetheprimaryproducers
areherbivores:theprimaryconsumers.
Secondaryconsumersareusuallycarnivoresthat
eattheprimaryconsumers.
Tertiaryconsumersarecarnivoresthateatother
carnivores.Higher-levelconsumersfeedonthenext
lowertropiclevels,andsoon,uptotheorganismsat
thetopofthefoodchain:theapexconsumers.
What is a Consumer?
Image credit: "Ecology of ecosystems” by OpenStaxCollege, Biology
Equity, T. (2014).College Biology Volume 3 of 3. Lulu. Com.