In comparing an oak tree with a maple tree, you can correctly say that

you can correctly say that they are both trees.

??

Might not be the best answer, but it IS true. :-)

one is deciduous, one is not.

actually, not true. Some oaks are deciduous.

Some oaks are deciduous...

Indeed they are as I have both in my garden, the evergreen is a Holm Oak.

We could say that they are both

Kingdom: Plantae ,
Angiosperms
Eudicots
Rosids

to compare an oak tree with a maple tree, you can consider the following aspects:

1. Species: Oaks and maples belong to different species of trees. Oaks are from the genus Quercus, while maples are from the genus Acer. This difference will affect their appearance, growth habits, and other characteristics.

2. Leaves: Oak trees typically have simple, lobed leaves with smooth or serrated edges. Maple trees, on the other hand, have distinctively palmate leaves with multiple lobes or divisions.

3. Bark: Oak tree bark tends to be rough and deeply furrowed, while maple tree bark is relatively smooth and may have distinctive patterns or ridges.

4. Habitat: Oaks and maples have different preferences for habitat. Oaks are often found in woodlands, forests, and open areas, while maples thrive in temperate and deciduous forests.

5. Fall Colors: One distinctive characteristic of maple trees is their vibrant fall foliage. Many maple species have leaves that turn various shades of red, orange, or yellow in autumn. Oak trees, on the other hand, may exhibit more subtle autumn colors, such as brown or russet.

6. Acorns vs. Samaras: Oaks produce acorns as their fruit, while maples produce winged seeds called samaras, or "helicopter seeds."

These are just a few points of comparison to consider between oak trees and maple trees. By observing these characteristics, you can accurately differentiate between the two species.