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iRubric: Dichotomous Key (Taxonomy) rubric
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Dichotomous Key (Taxonomy)
Dichototomous Key (Taxonomy)
Task: Students make a dichotomous key of sea shells encountered in the laboratory.
Rubric Code:
Z82XW6
By
rinned
Ready to use
Public Rubric
Subject:
Science
Type:
ePortfolio
Grade Levels:
Undergraduate
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Button Classification
Poor
1 pts
Good
3 pts
Excellent
5 pts
Characteristics
Poor
Characteristics of the members of the group are not well described nor defined. The student repeated keys for the subsequent groupings or the student explored very few characteristics or traits.
Good
Characteristics of of the members of the group are mostly well described and defined. The student explored many observable characteristics or traits.
Excellent
Characteristics of the members of the group are well described and defined. The student explored a variety of observable characteristics or traits.
Branching and key
Poor
Trait or traits for dividing members of the group into two groups is clearly described or defined. Key does not work.
Good
Trait or traits for dividing members of the group into two groups and all subsequent groups are not clearly described; workable key but key is unclear.
Excellent
Trait or traits for dividing members of the group into two groups and all subsequent groups are clearly described or defined; concise, workable key.
Presentation and mechanics
Poor
Dichotomous diagram is neither clear,
nor neat
nor well laid out on the page. It is hard to understand the diagram. There are spelling and grammatical errors.
Good
Dichotomous diagram is mostly clear, neat
well laid out on the page so that it does not interfere with understanding. There are no errors in spelling or grammar.
Excellent
Dichotomous diagram is clear, neat, and well laid out on the page.
There are no spelling or grammar mistakes.
Subjects:
Science
Types:
Project
ePortfolio
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