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Figure 1:In mammals, the quadrate and articular bones are small and part of the middle ear; the lower jaw consists only of dentary bone.. While living mammal species can be identified by the presence of milk-producing mammary glands in the females, other features are required when classifying fossils, because mammary glands and other soft-tissue features are not visible in fossils.
Short-lived breeders: species that are in the juvenile phase for most of their lives. The adult lives are so short most do not have working mouth parts. Unrelated species: cicada, mayflies, some flies, dragonfly, silk moths, and some other moths. [154] [155] Katydids and frogs both make loud sounds with a sound-producing organs to attract ...
Mammals by adaptation (5 C) A. Amphibious organisms (3 C, 2 P) Aposematic animals (2 C, 10 P) Aquatic animals (8 C, 15 P) B. Bioluminescent animals (8 C, 5 P)
Category: Mammals by adaptation. ... Herbivorous mammals (7 C, 35 P) M. Myrmecophagous mammals (2 C, 38 P) T. Tool-using mammals (2 C, 31 P) V. Venomous mammals (2 C ...
New primate species continue to be discovered: over 25 species were described in the 2000s, 36 in the 2010s, and six in the 2020s. Primates have large brains (relative to body size) compared to other mammals, as well as an increased reliance on visual acuity at the expense of the sense of smell , which is the dominant sensory system in most ...
All adaptations have a downside: horse legs are great for running on grass, but they cannot scratch their backs; mammals' hair helps temperature, but offers a niche for ectoparasites; the only flying penguins do is under water. Adaptations serving different functions may be mutually destructive. Compromise and makeshift occur widely, not ...
Like other aquatic mammals, they do not represent a biological grouping. [26] The humpback whale is a fully aquatic marine mammal. Marine mammal adaptation to an aquatic lifestyle vary considerably between species. Both cetaceans and sirenians are fully aquatic and therefore are obligate ocean dwellers.
Fossorial front leg of mole cricket, showing auditory and fossorial adaptations. Many fossorial and sub-fossorial mammals that live in temperate zones with partially frozen grounds tend to hibernate due to the seasonal lack of soft, succulent herbage and other sources of nutrition. [5]