Final answer:
The ruby rose and the Duncan are varieties of an apple. Apples are a type of fleshy fruit, which includes others like berries, peaches, grapes, and tomatoes, contrasting with dry fruits such as rice, wheat, and nuts.
Step-by-step explanation:
The ruby rose and the Duncan are different varieties of an apple. Fruit varieties can have unique characteristics and names that differentiate them from one another. While fruits can be either fleshy or dry, the ruby rose and Duncan are types of fleshy fruit.
For example, berries, peaches, apples, grapes, and tomatoes all fall under the category of fleshy fruit. In contrast, rice, wheat, and nuts are dry fruits. It's interesting to note that not all fruits develop solely from the ovary. For instance, strawberries come from the ovary and the receptacle, while apples develop from the ovary and the pericarp.