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Transcript of Ecology101
The study of interactions of organisms with their environment.
Concept of ecology was first voiced by German zoologist
A portion of Earth where life exist.
An ecosystem is a community of living organisms (plants, animals and microbes) in interacting with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system.
The living component of an ecosystem.
The nonliving component of an ecosystem.
A population of different species interacting with one another.
Consists of one particular species that live in a particular area.
CHARACTERISTIC OF A BIOSPHERE
'Biosphere' was coined by a Vladimir Vernadsky.
Eco-logos, 'Home' 'study';
(Study of home)
is the measure of variety of living organisms that inhabit an environment.
An area where every species lives. It has biotic and abiotic component which provides shelter, water and basic needs for survival.
Living things that exhibit the characteristic of life.
Water and Oxygen
Characteristic of Living Organisms
Growth and Development
Respond to Stimulus
Organization (Made up of Cells)
Uses light as an energy source.
Utilizes chemicals as a source of energy.
An organism that cannot synthesize its own food and is dependent on biochemical substances for nutrition taken from other organisms.
Trophic level, is the position that an organism occupies in a food chain: what an organism eats, and what eats the organism.
Major types of Cells
Groups of organisms that are physically and genetically related.
individual of the same species found in a given area.
Abiotic factors affect the success of populations.
Range of tolerance
The ability of organism to tolerate change in the environment.
The range of an abiotic factor results in the largest of population of a species.
Pyramid of energy flow
occurs when the rate of population growth in each new generation is multiplied.
Limits of Population