Types of Relationships Can you categorize relationships between

Types of Relationships Can you categorize relationships between organisms that are competitive or mutually beneficial?

Competition When two or more individuals or populations try to use the same resource

Symbiosis a relationship in which two different organisms live in close association with each other

a relationship in which two different organisms live inclose association with each other – HOST- usually the LARGER of the 2 organisms – SYMBIONT- usually the SMALLER member

Commensalism a relationship between two organisms in which one organism benefits and the other is unaffected

Mutualism a relationship between two species in which both species benefit

Parasitism a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed

Let’s Practice…

EXTRA PRACTICE ACTIVITY In the following activity, you will be given a picture scenario. Identify and select the symbiotic relationship (parasitism, mutualism, or commensalism) represented in the picture. EXIT

SLIDE NAVIGATION INSTRUCTIONS ADVANCE TO NEXT SLIDE RETURN TO PREVIOUS SLIDE GET HELP, DEFINITION EXIT QUIT ACTIVITY

In this photo the “cleaner fish” receives nourishment by dining off of the parasites and remaining food debris in the eel’s mouth. Is this an example of… PARASITISM MUTUALISM COMMENSALISM HELP EXIT

That’s CORRECT! Keep up the great work! EXIT

SORRY MAN, TRY AGAIN EXIT

Clownfish are frequently found in the tentacles of sea anemones. Sea anemones capture their prey by paralyzing them with their tentacles. However, the clownfish produces a mucus that prevents the tentacles from harming it. By dwelling amongst the tentacles the clownfish receives a protected home. This relationship is an example of … PARASITISM MUTUALISM COMMENSALISM HELP EXIT

SORRY MAN, TRY AGAIN EXIT

That’s CORRECT! Keep up the great work! EXIT

The birds in the picture are munching on tiny parasitic insects located on the rhino. The relationship between the birds and the rhino is an example of… PARASITISM MUTUALISM COMMENSALISM HELP EXIT

SORRY MAN, TRY AGAIN EXIT

That’s CORRECT! Keep up the great work! EXIT

Lampreys are primitive fish with limited digestive systems. They attach to and feed on the body fluids of fish with more advanced digestive systems, often leading to the death of the host fish. This relationship is an example of… PARASITISM MUTUALISM COMMENSALISM HELP EXIT

SORRY MAN, TRY AGAIN EXIT

That’s CORRECT! Keep up the great work! EXIT

Orchids grow on the branches of high trees. These orchids get more water and sunlight than those on the ground. The tree is unaffected by the orchid’s presence. This relationship is an example of… PARASITISM MUTUALISM COMMENSALISM HELP EXIT

SORRY MAN, TRY AGAIN EXIT

That’s CORRECT! Keep up the great work!

EXIT