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Science: Chapter 12-5
What are symbiotic relationships?
9
Science
6th Grade
03/29/2008

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Cards

Term
What is the relationship between 2 different kinds of organisms that helps BOTH of them?
Definition
mutualism
Term
What is the relationship between 2 different kinds of organisms in which ONE organism is helped?
Definition
commensalism
Term

What is the relationship between 2 different organisms in which one

lives on or in another organism and HURTS it.

Definition
parasitism
Term
Define: host
Definition
an organism that a parasite feeds on
Term
Name the 3 types of symbiotic relationships.
Definition
  1. mutualism
  2. commensalism
  3. parasitism
Term
What is a lichen?
Definition

2 organisms living together (fungus & algae)

 

(It is an example of mutualism.)

Term
What is an example of mutualism?
Definition

lichen

 

Algae give the fungus nutrients and the fungus gives the algae water and CO2.

Term
What is an example of commensalism?
Definition

barnacles attached to whales

 

Barnacles can't move on their own, but can feed as the whale moves through the water.  Whales are not harmed.

Term
What is an example of parasitism?
Definition

ticks, fleas, leeches

 

The host organism is harmed by the parasite.

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