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. What kind of tree is the leaf from? (1 point) Responses walnut walnut oak oak chestnut chestnut elm elm Skip to navigation

1 answer

To determine the kind of tree the leaf is from using the provided dichotomous key, you should first identify the characteristics of the leaf in question (whether it has needle leaves or non-needle leaves, whether the leaves are simple or compound, etc.) and then follow the key step-by-step.

  • If the leaf has needle leaves, it will either be a pine tree or a spruce tree based on the arrangement of the needles.
  • If the leaf has non-needle leaves, you will need to check if the leaves are simple (individual) or compound (leaflets).

Since I don't have the physical leaf to examine, I can't give a specific answer. However, based on the information you provided in the options, here’s how they would correspond based on the key:

  • If it's a simple leaf with a smooth and lobed edge, it's an oak tree.
  • If it's a simple leaf with a rough and tooth-like edge, it's an elm tree.
  • If it's a compound leaf with leaflets attached at one point, it's a chestnut tree.
  • If it's a compound leaf with leaflets attached at many points, it's a walnut tree.

Please provide the specific characteristics of the leaf in question for a precise identification.