DENDROLOGY

Detailed explanation-1: -An herbivore is an organism that mostly feeds on plants. Herbivores range in size from tiny insects such as aphids to large, lumbering elephants. Herbivores are a major part of the food web, a description of which organisms eat other organisms in the wild.

Detailed explanation-2: -An herbarium is a collection of preserved plant or fungal specimens. Many herbaria were established throughout Europe in the 1600s during the age of exploration. Botanical gardens could no longer keep living collections of all the known species, and thus preserving and storing specimens became common practice.