Identifying Organisms Quick Check
5 of 55 of 5 Items
Question
Use the dichotomous key to answer the question.
Dichotomous Key
1a. Needle leaves: go to step 2
1b. Non-needles leaves: go to step 3
2a. Needles are grouped in clusters: pine tree
2b. Needles are individually arranged: spruce tree
3a. Simple (individual) leaves: go to step 4
3b. Compound leaves (leaflets): go to step 5
4a. Leaf edge is smooth and lobed: oak tree
4b. Left edge is rough and tooth-like: elm tree
5a. Leaflets are attached at one point: chestnut tree
5b. Leaflets are attached at many points: walnut tree
Examine the leaf.
Non-needle green leaf with compound leaves attached at the center.
What kind of tree is the leaf from?
(1 point)
Responses
elm
elm
chestnut
chestnut
walnut
walnut
oak
oak