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Interdependence Among Living Organisms And The
Environment
Interdependence Among Living Organisms And The
EnvironmentMuhamad Khairul Bin Jamaludin
Interdependence among living organism
Interdependence among living organism
• Species – a group of organism with common characteristics that can breed among themselves to produce offspring.
Interdependence among living organism
Interdependence among living organism
• Population – a group of organisms of the same species living together in a habitat.
A place where an organisms lives and
reproduce
Interdependence among living organism
Interdependence among living organism
• Ecosystem – interaction between living things and non living things in a habitat.
Interaction Interaction
Prey-predator Symbiosis Competition
Commensalism
Mutualism
Parasitism
Prey-predatorPrey-predator
• Predator – is an organism that killed and eat another organism
• Prey – organism that is eaten
Competition Competition
• Interaction between organism in the same environment to competing the:
• Food, shelter, light, water, space, minerals and mates.
Commensalism Commensalism
• one get benefit but host does not get any benefit.
Mutualism Mutualism
• Both organism get benefit.
Parasitism Parasitism
• One organism get benefit but host is harmed.
Importance of interactionImportance of interaction
• Maintain the balance of ecosystem• Replace the death organism • Reduce the size of population
Biological controlBiological control
• Natural way to control the size of a population of organisms (pest).
• uses owls and snakes to control the reduce the number of rats
eat
eat
Biological controlBiological control
• excessive use of pesticide is costly, which causes pollution and increases the resistance of the pest
Food WebFood Web
• Energy is transfer by the food web.• Food web is a combination more than one
food chain• Food chain:
Producer Primary
Consumer Secondary Consumer
Tertiary Consumer
Can make their own food
Food WebFood Web
Consist of 4 food chain
Producer (1000)
Primary consumer (100)
Secondary consumer(10)
Tertiary Consumer
(5) Energy being
transfered