Wednesday, 23 May 2012

Ecology question 4

Define and explain the interrelationship among species, population, community, habitat, niche and ecosystem. State examples of each.



Population: 
Meaning?
A population is a group of living organisms of the same kind living in the same place at the same time. 









Community:
Meaning?
A community is formed by all of the populations in the same habitat which interact together. 









Habitat: 
Meaning?

A habitat is the physical place where a plant or animal (population) lives. It must supply the needs of organisms, 
such as food, water, temperature, oxygen, and minerals. 









Niche: 
Meaning?

A niche is the role and position of an organism (species) in the community. No two species can occupy exactly the same niche. 
Example: In this case, the grass is the producer. 






Ecosystem: 
Meaning?

An ecosystem is a complex interaction of living and nonliving processes.
Example: In this case, the organisms interact with each other using predator-prey relationship. 


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