3
QuizMultiple Choice

Identifying Unknown Organisms — Unit test

Question 3 • AHS Biology CR Prescriptive

Use this portion of a dichotomous key for tree identification to answer the question.1a. Needlelike leaf ® Step 101b. Broad leaf ® Step 22a. Compound leaf ® Step 32b. Simple leaf ® Step 77a. Leaf bases attached opposite each other on branch ® Step 87b. Leaf bases attached staggered on branch ® Step 118a. Leaves lobed ® Maple8b. Leaves not lobed ® Step 99a. Leaves heart shaped ® Catalpa9b. Leaves not heart shaped ® DogwoodWhich best describes dogwood leaves?

Answer
A
They are lobed, simple leaves and are attached staggered on the branch.
B
They are not heart shaped and are attached staggered on the branch.
C
They are compound, broad leaves and are attached oppositely on the branch.
D
They are nonlobed, simple leaves and are attached oppositely on the branch.
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