However, you should avoid pairs of statements that do not address the same characteristic. The following pair, for example, would not be very informative in your key
A. leaf margin smooth
B. leaf type needle-like
As you develop your key, test it out with the 10 leaves provided on the Common Leaves sheet. When you've
developed a key that identifies all 10 leaves, type your statements, go tos." and identifications, following the
format in the example below. The example is based on this lesson's dichotomous key for birds.
Statement Types/Dichotomous key for Identification
Name/Number of Leaves
birds
Statement 2a
The bird has a crest of
feathers on the top of its
head
go to statement or identify
bird
blue jay
Statement 2b
The bird has a smooth head.
go to statement or identify bird 3
Once you have completed your dichotomous key, answer the two remaining questions. When you are finished,
submit this assignment to your teacher by the due date for full credit
Total score: Click or tap here to enter text of 26 points
(Score for Question 1: Click or tap here to enter text of 20 points)
1. Complete a dichotomous key for the 10 leaves on the Common Leaves sheet. The chart provided here allows
for 11 pairs of statements. Depending on how you build your dichotomous key, you may or may not need all
of them, or you may need to add some
Statement Types/Dichotomous key for leaves
Identification Name/Number of
Leaves
Statement 1a Click or tap here to enter text
go to statement Click or tap here to
or identify leaf enter text
RABARANI
glish (United States