18 3 Types of Interactions Limiting Factors Carrying

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18. 3 Types of Interactions

18. 3 Types of Interactions

Limiting Factors & Carrying Capacity Limiting Factor – something that limits the size of

Limiting Factors & Carrying Capacity Limiting Factor – something that limits the size of a population Ex: Food, Water, Space Carrying Capacity – the largest population that an environment can support. Limiting factors influence the carrying capacity.

Competition occurs when two organisms try to use the same resources. Can be within

Competition occurs when two organisms try to use the same resources. Can be within a population or a community

Predation Prey – organism that is killed & eaten by another Predator – organism

Predation Prey – organism that is killed & eaten by another Predator – organism that kills another food. Predators have adaptations that help them capture their prey (i. e. speed, sharp teeth, claws). Prey also have adaptations to protect themselves (i. e. camouflage, poison).

Symbiosis is the long term association or relationship between organisms that benefits at least

Symbiosis is the long term association or relationship between organisms that benefits at least 1 organism. 3 Types: Mutualism, Commensalism, Parasitism

Mutualism Symbiotic relationship in which both organisms benefit. Example: Egyptian Plover & the crocodile

Mutualism Symbiotic relationship in which both organisms benefit. Example: Egyptian Plover & the crocodile

Commensalism Symbiotic relationship in which one organism benefits and the other is unaffected. Example:

Commensalism Symbiotic relationship in which one organism benefits and the other is unaffected. Example: Whale Shark & Golden Trevallys

Parasitism Symbiotic relationship in which one organism benefits and the other is harmed. Example:

Parasitism Symbiotic relationship in which one organism benefits and the other is harmed. Example: Ant & Parasitic Fungus

Video Time

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Comprehension Check How do limiting factors affect the carrying capacity? How are three types

Comprehension Check How do limiting factors affect the carrying capacity? How are three types of symbiosis different? How are predation and parasitism different?

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