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re-Lab 1: The Plankton of Bostn Create a dichotomous key, which will den Name: t

ID: 143960 • Letter: R

Question

re-Lab 1: The Plankton of Bostn Create a dichotomous key, which will den Name: tonarbo tify the 5 items picturanr plastic sunglasses, your first question could be: "is this item made of meta your questions. For ebentify the S items pictured below using only yes/no questions you had a metal paper clip, a metal spoon and a pair of question 2; if the answer is no, it is a pair of plastic sunglasses." See ? If the answer is yes, go to explanatiorn Plankton-3 for a more detailed Orange-handled scissors Pink, plastic ruler Black, plastic key Black, metal stapler pencil chotomous Key (questions and answers): 1) 2) 3) 4) 2) If you are looking at an organism in the Nikon compound microscope through the 10x lens and the organism measures ¼ the length of the field size, approximately how long is the organism in millimeters and in microns? See Page Plankton-7 for instructions on how to calculate size. Plankton-

Explanation / Answer

Dichotomous key :

1](orange handled scissor)Is this item made up of metal? Yes.

2] (plastic ruler)Is this item made up of metal? No.

3] (plastic key)Is this item made up of metal? No.

4](metal stapler)Is this item made up of metal? Yes.

5](pencil)Is this item made up of metal? No.

6]Is it black in colour?