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5 days ago · 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. Learn more about birds in this article.
- Classification
Bird - Aves, Species, Orders: In classifying birds, most...
- Skeleton
Bird - Skeleton, Flight, Feathers: The avian skeletal system...
- Classification
1 day ago · The tiger ( Panthera tigris) is a member of the genus Panthera and the largest living cat species native to Asia. It has a powerful, muscular body with a large head and paws, a long tail and orange fur with black, mostly vertical stripes.
2 days ago · Different fish species are adapted to a wide variety of freshwater and marine habitats. Fish species are roughly divided equally between freshwater and marine (oceanic) ecosystems; there are some 15,200 freshwater species and around 14,800 marine species.
3 days ago · 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.
5 days ago · 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.
4 days ago · Another factor could simply be chance, Harcourt-Smith added. Small species populations can swiftly crash following natural disasters, disease outbreaks or climate shifts, leaving a formerly ...
5 days ago · R-selected species and K-selected species are two distinct reproductive strategies exhibited by different organisms in response to their environments. The main differences lie in the traits, life history strategies, and environmental conditions associated with each type.
