ECOLOGY

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ECOLOGY : 

ECOLOGY Valentin Conde Berdera DLS-CSB NATSCI Department

Ecology : 

Ecology Definition of Ecology What is an Ecosystem? Components of an Ecosystem Model of an Ecosystem Biological Hierarchy

What is ecology? : 

What is ecology? Scientific study of the processes influencing the: 1. distribution and abundance of organisms, 2. interactions between and among organisms, 3. transformation and flux of energy and matter.

Slide 4: 

HAECKEL’S DEFINITION: The study of the relationship of organisms with the environment.

What is an ecosystem? : 

What is an ecosystem? It is made up of organisms living in a particular environment and the physical parts of the environment that affect them.

What are the two major components of an ecosystem? : 

What are the two major components of an ecosystem? Biotic components Abiotic components

Biotic components : 

Biotic components Producers (green plants) Consumers Herbivores Omnivores Carnivores Decomposers (fungi and bacteria)

Abiotic components : 

Abiotic components Water Gases (Atmosphere) Sunlight Soil (Nutrients)

PHOTOSYNTHESIS : 

PHOTOSYNTHESIS

FUNGI : 

FUNGI

BACTERIA : 

BACTERIA

Examples of ecosystem : 

Examples of ecosystem

Model of an ecosystem : 

Model of an ecosystem

BIOLOGICAL HIERARCHY : 

BIOLOGICAL HIERARCHY Biosphere Ecosystem Community Population Organism/individual