Type:

Other

Description:

TWO ESTEEM-STYLE MODELS. ONE LOOKS AT TWO SPECIES THAT CAN BE MUTUALISTS, COMPETITORS, OR PREDATOR AND PREY. THE OTHER LOOKS AT THREE SPECIES THAT CAN INTERACT IN VARIOUS WAYS:CURRENTLY THERE ARE TWO CHOICES: A MODEL OF THREE COMPETITORS, OR A MODEL OF ONE PREDATOR CHOOSING BETWEEN TWO PREY. TO INCORPORATE THE COMPUTER MODELS INTO A WET-LAB, STUDENTS ARE DIVIDED INTO SIX GROUPS, EACH GROUP SETS UP SIX VIALS CONTAINING DIFFERENT COMBINATIONS OF CHLORELLA, OSCILLATORIUM AND DAPHNIA, THREE GROUPS ADD NITROGEN TO CULTURES. PREDICT WHICH VIAL WILL HAVE THE GREATEST POPULATION GROWTH FOR EACH SPECIES. OBSERVE POPULATIONS AFTER A WEEK. EXAMINE COMPETITION AND PREDATION USING ESTEEM-STYLE MODEL TO SEE IF DAPHNIA ACTS AS A KEYSTONE SPECIES IN THIS SITUATION. THE MODELS CAN BE ADAPTED TO OTHER ECOLOGICAL SITUATIONS AND PROTOCOLS.

Subjects:

  • Education > General

Education Levels:

    Keywords:

    predator-prey model,NSDL,NSDL_SetSpec_BEN,curriculum,oai:nsdl.org:2200/20110722021100107T,chollera,daphnia,competitors,Esteem,oscillatirum,mutualists,Education

    Language:

    English

    Access Privileges:

    Public - Available to anyone

    License Deed:

    Creative Commons Attribution Non-Commercial Share Alike

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