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Respiratory system. The respiratory system (also respiratory apparatus, ventilatory system) is a biological system which consists of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives ...
The Naked Ape: A Zoologist's Study of the Human Animal is a 1967 book by English zoologist and ethologist Desmond Morris that looks at humans as a species and compares them to other animals. The Human Zoo , a follow-up book by Morris that examined the behaviour of people in cities, was published in 1969.
The animal lacks down hair, and its guard hair differs little from over hair. [12] Capybara skeleton. Adult capybaras grow to 106 to 134 cm (3.48 to 4.40 ft) in length, stand 50 to 62 cm (20 to 24 in) tall at the withers, and typically weigh 35 to 66 kg (77 to 146 lb), with an average in the Venezuelan llanos of 48.9 kg (108 lb).
Adaptation is the evolutionary process whereby an organism becomes better able to live in its habitat or habitats. [25][26][27] 2. Adaptedness is the state of being adapted: the degree to which an organism is able to live and reproduce in a given set of habitats. [28]
[2]: 8 In 1802, French-born explorer Francis Louis Barrallier encountered the animal when his two Aboriginal guides, returning from a hunt, brought back two koala feet they were intending to eat. Barrallier preserved the appendages and sent them and his notes to Hunter's successor, Philip Gidley King, who forwarded them to Joseph Banks. Similar ...
The wolf (Canis lupus; [b] pl.: wolves), also known as the gray wolf or grey wolf, is a large canine native to Eurasia and North America.More than thirty subspecies of Canis lupus have been recognized, including the dog and dingo, though gray wolves, as popularly understood, only comprise naturally-occurring wild subspecies.
Birds have one of the most complex respiratory systems of all animal groups. [77] Upon inhalation, 75% of the fresh air bypasses the lungs and flows directly into a posterior air sac which extends from the lungs and connects with air spaces in the bones and fills them with air. The other 25% of the air goes directly into the lungs.
About 100 living species. Range of all lemur species [ 3 ] Lemurs (/ ˈliːmər / ⓘ LEE-mər; from Latin lemureslit.'ghosts' or 'spirits') are wet-nosed primates of the superfamily Lemuroidea (/ lɛmjʊˈrɔɪdiə / lem-yuurr-OY-dee-ə), [ 4 ] divided into 8 families and consisting of 15 genera and around 100 existing species.