AP BIOLOGY

Detailed explanation-1: -Living organisms are classified mainly to avoid confusion, to make study of organisms easy and learn how various organisms are related to each other. Scientists classified living organisms into different kingdoms, phylum, class, etc and are based on different criteria.

Detailed explanation-2: -Organisms are usually grouped together based on their unique characteristics. The classification of an organism often provides useful information about its evolutionary history and which other organisms are related to it.

Detailed explanation-3: -In accordance with the Linnaeus method, scientists classify the animals, as they do the plants, on the basis of shared physical characteristics. They place them in a hierarchy of groupings, beginning with the kingdom animalia and proceeding through phyla, classes, orders, families, genera and species.

Detailed explanation-4: -Answer and Explanation: Scientists use classification systems in order to identify objects in the natural world and to place them into groups of similar objects. One of the most common and useful classification systems is the taxonomic nomenclature used by biologists to classify living things.

Detailed explanation-5: -Animals can be classified into the following categories according to their food habits: Herbivores: Those dependent on plants for food. Carnivores: Those dependent on other animals for food. Omnivores: Those eating plants as well as animals.