AP BIOLOGY

Detailed explanation-1: -All trees except for conifers are flowering plants. Conifers produce flower-like structures that are not true flowers.

Detailed explanation-2: -A tree and a flower are different. The word tree refers to the complete plant whereas a flower is only an organ of a plant. Some trees produce flowers (angiosperms, i.e., maple) and some do not (gymnosperms, i.e., pine). Flowers are usually grouped together on a stem and are adapted for sexual reproduction.

Detailed explanation-3: -Most Trees are non-flowering plants. The leaves of the trees are very vital.

Detailed explanation-4: -Flowering plants:-Angiosperms are the most advanced plants which produce flowers. Hence, angiosperms are called flowering plants. A flower is the characteristic feature of angiosperms and the unit of sexual reproduction. Angiosperms are mainly categorized into two groups viz. monocots and dicots.