- Insect | Definition, Characteristics, Types, Beneficial, Pest . . .
insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons)
- insect - Kids | Britannica Kids | Homework Help
Introduction The insects are the largest group of animals In fact, about 75 percent of all animals are insects Insects developed on Earth long before humans did Today there are about 1 million known species, or types, of insect And scientists are constantly discovering new species
- insect - Students | Britannica Kids | Homework Help
Insect Structure and Function Encyclopædia Britannica, Inc Despite their diversity, all adult insects share some basic external and internal anatomical features Insects are distinguished from other members of the animal kingdom by having six legs; one pair of antennae; a ringed, or segmented, body; and three well-defined body regions
- Insect - Diversity, Adaptations, Habitats | Britannica
Their large populations and great variety are related to their small size, high reproduction rate, and abundant food supplies Insects play many important roles in nature, including decomposition, soil formation, and pollination Certain insects can be of direct benefit to humans
- Classification of insects | Britannica
insect, Any member of the class Insecta, the largest arthropod class, including nearly 1 million known species (about three-fourths of all animals) and an estimated 5–10 million undescribed species
- Insect - Pollination, Adaptation, Nutrition | Britannica
Insect - Pollination, Adaptation, Nutrition: Insects are a food source as well as a source of raw materials They are used for the production of dyes, wax, and silk Honeybees pollinate fruit trees and other crops Insects become pests by damaging stored food, garments, and other commercial products
- Cochineal | Natural Dye, Insects, Aztecs | Britannica
Cochineal, red dyestuff consisting of the dried, pulverized bodies of certain female scale insects, Dactylopius coccus, of the Coccidae family, cactus-eating insects native to tropical and subtropical America
- Entomology | Definition Facts | Britannica
Entomology, branch of zoology dealing with the scientific study of insects The zoological categories of genetics, taxonomy, morphology, physiology, behavior, and ecology are included in this field of study
|