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Kangaroo rats, small mostly nocturnal rodents of genus Dipodomys, are native to arid areas of western North America.The common name derives from their bipedal form. They hop in a manner similar to the much larger kangaroo, but developed this mode of locomotion independently, like several other clades of rodents (e.g., dipodids and hopping mice).
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 January 2025. Order of mammals Rodent Temporal range: Late Paleocene – recent Pre๊ ๊ O S D C P T J K Pg N Capybara Springhare Golden-mantled ground squirrel North American beaver House mouse Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Mammalia Mirorder ...
Other rat genera include Neotoma (pack rats), Bandicota (bandicoot rats) and Dipodomys (kangaroo rats). Rats are typically distinguished from mice by their size. Usually the common name of a large muroid rodent will include the word "rat", while a smaller muroid's name will include "mouse". The common terms rat and mouse are not taxonomically ...
The central rock rat is one of five rock rat species native to Australia. It is a nocturnal species that forages for food at nighttime. [5] [6] [7] They can range from 10.6 to 14.9 cm (4.2 to 5.9 in) long for the head and body, and around 30 cm (12 in) from head to tail. [3] They weigh between 50 and 120 g (1.8 and 4.2 oz). [8]
The muscle which can 'cancel' or to some degree reverse the action of the muscle. Muscle synergies are noted in parentheses when relevant. O (Occurrences) Number of times that the named muscle row occurs in a standard human body. Here it may also be denoted when a given muscles only occurs in a male or a female body.
Brown fat cells come from the middle embryo layer, mesoderm, also the source of myocytes (muscle cells), adipocytes, and chondrocytes (cartilage cells). The classic population of brown fat cells and muscle cells both seem to be derived from the same population of stem cells in the mesoderm, paraxial mesoderm.
Bipennate muscle is stronger than both unipennate muscle and fusiform muscle, due to a larger physiological cross-sectional area. Bipennate muscle shortens less than unipennate muscle but develops greater tension when it does, translated into greater power but less range of motion. Pennate muscles generally also tire easily.
Skeleton of a male N. fuscipes Adult female N. fuscipes, UC Davis Quail Ridge Reserve N. fuscipes midden, UC Davis Stebbins Cold Canyon Reserve, CA. The dusky-footed woodrat (Neotoma fuscipes) is a species of nocturnal rodent in the family Cricetidae. [2]