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protective coloration

(Encyclopedia) protective coloration, coloration or color pattern of an animal that affords it protection from observation either by its predators or by its prey. The most widespread form of…

Chaetognatha

(Encyclopedia) CE5 Anatomy of an arrow worm, Sagitta, representative of the phylum Chaetognatha ChaetognathaChaetognathakētôgnăthˈə [key], phylum of predominantly pelagic marine animals commonly…

froghopper

(Encyclopedia) froghopper or spittlebug, small, hopping insect of the order Homoptera. The adult, under 1&fslsh;2 in. (1.2 cm) long in most species, is triangular in shape and usually gray or…

beetle

(Encyclopedia) beetle, common name for insects of the order Coleoptera, which, with more than 300,000 described species, is the largest of the insect orders. Beetles have chewing mouthparts and well-…

entomology

(Encyclopedia) entomology, study of insects, an arthropod class that comprises about 900,000 known species, representing about three fourths of all the classified animal species. Insects are studied…

guinea fowl

(Encyclopedia) guinea fowlguinea fowlgĭnˈē [key], common name for any of the seven species of gallinaceous birds of the family Numididae, native to Africa and Madagascar. The helmeted guinea fowl,…

zorilla

(Encyclopedia) zorilla, small, carnivorous, nocturnal mammal, Ictonyx striatus, of the weasel family, found in dry regions of Africa. It is also called striped weasel and striped polecat. Although it…

bioluminescence

(Encyclopedia) bioluminescencebioluminescencebīˌōl&oomacr;ˌmĭnĕsˈəns [key], production of light by living organisms. Organisms that are bioluminescent include certain fungi and bacteria that emit…

bee fly

(Encyclopedia) bee fly, name for the small- to medium-sized flies of the family Bombyliidae, many of which resemble bees in appearance and behavior. This mimicry provides bee flies with some measure…

mustang

(Encyclopedia) mustang [Sp. mesteño=a stray], small feral horse of the W United States. Mustangs are descended from escaped Native American horses, which in turn were descended from horses of North…