Plants and animals are classified based upon their prevailing characteristics and traits. Biological organisms with similar characteristics are placed in the same group. The order of classification goes from the kingdom ... More »

Plants that bear fruits in pods, such as beans, peas, peanuts, lentils and chickpeas are classified as legumes. Other well known plants that belong to the Leguminosae family are soybeans, clover, tamarind and licorice. More » Science Biology Botany

Cleanrooms are classified according to how clean the air inside them is. Air cleanliness is measured according to the number of particles that are equal to or greater than 0.5 millimeters per cubic foot of air. Cleanroom... More » Science Chemistry Chem Lab

Selective breeding, also called artificial selection, is carried out by mating animals or crossing plants with desired characteristics or traits to produce offspring in which those traits are more dominant, according to ... More »

The main characteristics of animals are sexual reproduction, eukaryotic cells, movement, multicellularity and heterotrophy. Animal cells are differentiated and organized into tissues, except in sponges. Animal tissues se... More »

Most animals are made up of more than one cell, have cells that group into tissue, reproduce sexually, are capable of movement and ingest other organisms to obtain energy. There are exceptions to many of these characteri... More »

Animals that eat both plants and other animals, called omnivores, occur in every major animal lineage, including insects, fish, reptiles, mammals and birds. By contrast, some lineages, such as spiders, are completely dev... More »