Dictionary » L » Locomotion




The ability of cells or organisms to move and propel itself from place to place


Locomotion in biology pertains to the various movements of organisms (single-celled or multicellular organisms) to propel themselves from one place to another. In multicellular animals, these movements include walking, running, jumping, crawling, climbing, swimming, flying, galloping, slithering, and so on. The movements may vary depending on the habitat of the animal. For instance, terrestrial animals are capable of terrestrial locomotion since they have special adaptations for it such as feet and strong limbs for running and walking. For limbless animals, such as snakes, they are capable of slithering over a surface. Animals with longer hind limbs enable them to jump high. In an aquatic habitat, animals, such as fish, move using their fins. Single-celled organisms, such as ciliates and flagellates, move using their locomotory organs, cilia and flagella, respectively. Animals, such as tree snails, bats, and leopards that can climb and stay on trees, and move from one tree to another display arboreal locomotion.

Word origin: Latin loco (from a place), locus (place) + motionem (motio), motion (a moving)

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Re: Beneficial mutations vs harmful

... (given the correct environment) when the ''word'' is spelt. You will not be seeing desert-dwelling animals evolve flat, oar-like tails for aquatic locomotion because that would be a neutral or disadvantageous mutation, and it would not aid in the hypothetical species's survival, so it would not ...

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by Coelacanth
Sun Oct 13, 2013 6:08 am
Forum: Evolution
Topic: Beneficial mutations vs harmful
Replies: 12
Views: 9981

Book recommendation for exam

... Protostomes and Deuterostomes, Bilateralia and Radiata; Status of Protista, Parazoa, Onychophora and Hemichordata; Symmetry. 3. Protozoa : Locomotion, nutrition, reproduction; evolution of sex; General features and life history of Paramaecium, Monocystis, Plasmodium, and Leishmania. 4. ...

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by bertstare
Sun Oct 21, 2012 2:19 pm
Forum: Zoology Discussion
Topic: Book recommendation for exam
Replies: 3
Views: 6943

Brain evolution last 40,000 years

... little change. We ran up against an upper limit for brain developement when it wouldn't fit out of a female pelvis that still enabled efficient locomotion. Childbirth remains one of the most dangerous things you can do. Only in the last several dacades has this limit been lifted and then only ...

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Wed May 18, 2011 12:58 am
Forum: Evolution
Topic: Brain evolution last 40,000 years
Replies: 4
Views: 6768

Half Skulls and Forelimb Sets

... and ulna are adapted to the function of each forelimb. 8-how does the orientation of the joint between the humerus, the radius and ulna relate to locomotion?

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by yamana
Tue Mar 23, 2010 5:10 pm
Forum: General Discussion
Topic: Half Skulls and Forelimb Sets
Replies: 0
Views: 3154

Re: Please help point artist to unique animal functions

... was rather convoluted. To your second point, pop is short for popular. There's a type of catepillar that curls into a wheel and rolls as a form of locomotion. Also look for sheila patek's presentation on mantis shrimp. They can cause cavitations in water. Mith, those are wonderful pointers and ...

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by Mixotrich
Sat Jan 23, 2010 9:35 am
Forum: Zoology Discussion
Topic: Please help point artist to unique animal functions
Replies: 4
Views: 4333
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