ECOSYSTEMS The organisms which live in a particular area, the relationships between them, and their physical environment.

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Presentation transcript:

ECOSYSTEMS The organisms which live in a particular area, the relationships between them, and their physical environment.

ECOSYSTEM COMMUNITY OR BIOCENOSIS: the set of living beings BIOTOPE: The inorganic part. Physical and chemical elements RELATIONSHIPS: Among the living beings Betweeen living beings and the environment

Are they part of the biocenosis or the biotope? Soil. Plants. Wind. Animals. Water. Algae. Temperature. Humidity. Microorganisms. Light. Oxygen. Fungi.

ECOSYSTEM COMMUNITY OR BIOCENOSIS: the set of living beings BIOTOPE: The inorganic part. Physical and chemical elements RELATIONSHIPS: Among the living beings Betweeen living beings and the environment Producers Consumers Soil Temperature Humidity Light Salinity, etc

Are they producers or consumers? Cow. Zebra. Lion. Pine tree. Rabbit. Grass. Crocodile. Bush. Eagle. Fungi. Daisy.

Relationship between living beings and their environment. They have special characteristics called ADAPTATIONS

ADAPTATIONS It has a thick coat. It can store water. It is a good swimmer. It is white for camouflage. It produces little urine. It does not sweat. Its sandy color provides camouflage Cold weather (polar bear) Hot desserts (camel)

ECOSYSTEM COMMUNITY OR BIOCENOSIS: the set of living beings BIOTOPE: The inorganic part. Physical and chemical elements RELATIONSHIPS: Among the living beings Between the living beings and the environment: ADAPTATION Producers Consumers Soil Temperature Humidity Light Salinity, etc Interspecific relations Intraspecic relations

Types of interspecific relations (+ -) (+ +) (- -) (+ 0)

Which type of interspecific relation can you see in this picture?

Which type of interspecific relation is there between cows and bettles?

Relation between a spider and a grasshopper

ECOSYSTEM COMMUNITY OR BIOCENOSIS: the set of living beings BIOTOPE: The inorganic part. Physical and chemical elements RELATIONSHIPS: Among the living beings Between the living beings and the environment: ADAPTATION Producers Consumers Soil Temperature Humidity Light Salinity, etc Interspecific relations Intraspecic relations + - Depredation + - Paratism ++ Mutualism - - Competence +0 Comesalism