A dichotomous key is an essential scientific means by which the various organisms can be identified by the observable traits and attributes. The dichotomous key contains various questions related to the group of organisms that can have those traits.
Scarlet oak is the leaf in the picture.
How to identify the leaf based on key?
- The leaf of the Scarlet Oak is of the simple type that is it does not have smaller leaflet divisions and is attached to the petiole or the stem of the plant.
- Only one leaf at a time is attached to the petiole and not in bunches. The leaf of the plant is lobed that is has various protrusions like pointed or round.
- The leaf of the plant is pointed at the tips and shows that it belongs to the Scarlet Oak plant.
Thus, option C is correct.
Learn more about simple and lobed leaf here:
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