Competition and Niche Niche The full range of

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Competition and Niche

Competition and Niche

Niche The full range of physical and biological conditions in which an organism lives

Niche The full range of physical and biological conditions in which an organism lives and the way in which they use those conditions.

A animal’s NICHE includes: The animals food. How they get their food. What other

A animal’s NICHE includes: The animals food. How they get their food. What other animals eat them!

Examples: Warbler Bird What do they eat? How do they get their food? What

Examples: Warbler Bird What do they eat? How do they get their food? What PREDATOR do you think eats them?

Predation One organism captures and feeds on another organism. The organism that does the

Predation One organism captures and feeds on another organism. The organism that does the killing and eating is the PREDATOR.

What is a Resource? ANY NECESSITY IF LIFE! Water Food Light Area an animal

What is a Resource? ANY NECESSITY IF LIFE! Water Food Light Area an animal lives in.

Competitive Exclusion Principle No two animals can have the same niche in the same

Competitive Exclusion Principle No two animals can have the same niche in the same habitat at the same time.

Symbiosis

Symbiosis

Symbiosis A relationship in which TWO species live closely together.

Symbiosis A relationship in which TWO species live closely together.

3 Types of Symbiosis Mutualism Commensalism Parasitism

3 Types of Symbiosis Mutualism Commensalism Parasitism

Mutualism Both species BENEFIT. Example: Flower and Insect. Feeding and Pollination.

Mutualism Both species BENEFIT. Example: Flower and Insect. Feeding and Pollination.

Commensalism One animal BENEFITS and one is not helped or harmed. Example: Elephant and

Commensalism One animal BENEFITS and one is not helped or harmed. Example: Elephant and birds

Parasitism One organism lives on or inside the other and HARMS that organism. Example:

Parasitism One organism lives on or inside the other and HARMS that organism. Example: Fleas and Dogs

DOGS and FLEAS Fleas = PARASITE (causes HARM) Dog= HOST (is HARMED by the

DOGS and FLEAS Fleas = PARASITE (causes HARM) Dog= HOST (is HARMED by the flea)