Symbiotic RelationshipsInteractions Among Living Things

p. 130-131

Symbiotic Relationship(Symbiosis)

A close relationship between organisms of different species

Symbiotic Relationships

Mutualism Commensalism Parasitism

MutualismGood for me and good for you

+ +“teammates”

(Also known as mutualistic)

Nile Crocodile and Plover Bird

Bee and Flower

Shark and Pilot fish

CommensalismGood for me, and it doesn’t impact you

+ 0“neighbors”

(Also known as commensalistic)

Barnacle and Whale

Egret and Cattle

Burdock and Mammals

ParasitismGood for me, and bad for you

+ -“thieves”

(Also known as parasitic)

ParasitismParasite - organism that lives in or on another organism and benefits by getting nutrients at the host's expense.

Host - the organism hurt by the parasite

Flea and Dog

Tick and Human

Mosquito and Humans

Symbiotic Relationships

Symbiotic Relationships

Mutualism Commensalism Parasitism

+ + + O + -

Exit TicketMatch the symbols to the name of the symbiotic relationship.

1. Commensalism

2. Mutualism

3. Parasitism

A. + +

B. + -

C. + 0

Exit TicketMatch the symbols to the name of the symbiotic relationship.

1. Commensalism

2. Mutualism

3. Parasitism

A. + +

B. + -

C. + 0