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Hace 5 días · Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to reptiles than mammals.
- Classification
Bird - Aves, Species, Orders: In classifying birds, most...
- Behaviour
Bird - Migration, Communication, Adaptation: Birds depend to...
- Importance to Man
Bird - Pollination, Migration, Eggs: Birds have been...
- Form and Function
Bird - Anatomy, Flight, Migration: The structures associated...
- Skeleton
Bird - Skeleton, Flight, Feathers: The avian skeletal system...
- Muscles and Organs
Bird - Muscles, Organs, Flight: Birds have a complete...
- Flight
The record long-range flight of a bird species in a single...
- Trumpeter Swan
trumpeter swan, Black-billed species (Cygnus cygnus...
- Classification
Hace 2 días · A fish ( pl.: fish or fishes) is an aquatic, anamniotic, gill -bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.
Hace 3 días · Birds are a group of warm-blooded vertebrates constituting the class Aves ( / ˈeɪviːz / ), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
Hace 5 días · Fungus, any of about 144,000 known species of organisms of the kingdom Fungi, including yeasts, mildews, molds, and mushrooms. Fungi are some of the most widely distributed organisms on Earth and are of great environmental and medical importance.
Hace 4 días · A deer ( pl.: deer) or true deer is a hoofed ruminant ungulate of the family Cervidae (informally the deer family ). Cervidae is divided into subfamilies Cervinae (which includes, among others, muntjac, elk (wapiti), red deer, and fallow deer) and Capreolinae (which includes, among others reindeer (caribou), white-tailed deer, roe deer, and ...
Hace 4 días · Flower, the characteristic reproductive structure of angiosperms. Flowers facilitate the reproduction of angiosperm species through the production of seed and the formation of fruit. Learn about the various parts of a flower, floral types, and pollination with this article.
Hace 1 día · Evolution, as related to genomics, refers to the process by which living organisms change over time through changes in the genome. Such evolutionary changes result from mutations that produce genomic variation, giving rise to individuals whose biological functions or physical traits are altered.
