List of animals featuring external asymmetry information
This is a list of animals that markedly feature external asymmetry in some form. They are exceptions to the general pattern of symmetry in biology. In particular, these animals do not exhibit bilateral symmetry which permits streamlining and is common in animals.[1]
This list is incomplete; you can help by adding missing items. (April 2013)
^Symmetry, biological, cited at FactMonster.com from The Columbia Electronic Encyclopedia (2007).
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including plants, animals, fungi, and bacteria. External symmetry can be easily seen by just looking at an organism. For example, the face of a human being...
The asymmetryof the biological membrane reflects the different functions of the two leaflets of the membrane. As seen in the fluid membrane model of the...
2010). "Behavioural responses of dogs to asymmetrical tail wagging of a robotic dog replica". Laterality: Asymmetriesof Body, Brain and Cognition. 16...
types of playful behavior, often including objects, self-made bubble rings, other dolphins or other animals. When playing with objects or small animals, common...
Xenacoelomorpha (/ˌzɛnəˌsɛloʊˈmɔːrfə/) is a small phylum of bilaterian invertebrate animals, consisting of two sister groups: xenoturbellids and acoelomorphs...
Sea urchins or urchins (/ˈɜːrtʃɪnz/) are typically spiny, globular animals, echinoderms in the class Echinoidea. About 950 species live on the seabed...
targeting information asymmetry information economics input–output model installment credit A loan that offers a borrower a fixed, amount of money over a specified...
2009.00196.x. Dzik, Jerzy (1999). "Evolutionary origin ofasymmetry in early metazoan animals". In Gyula Pályi; Luciano Caglioti; Claudia Zucchi (eds...
prey by movements of the bell and possibly by using two short tentacles. The Cestida ("belt animals") are ribbon-shaped planktonic animals, with the mouth...
Maudlin argues: "[the] passage of time is an intrinsic asymmetry in the temporal structure of the world... It is the asymmetry that grounds the distinction...
beings and all animals), are condemned to destruction or to wander in this world, undergoing the terrifying cycle of reincarnations. Hegesias of Cyrene was...
York: Cornell Lab of Ornithology. p. 1.11. Trail 2001, p. 8 Moller, Anders Pape; Hoglund, Jacob (1991). "Patterns of Fluctuating Asymmetry in Avian Feather...
to many lineages of legless lizards. These resemble snakes, but several common groups of legless lizards have eyelids and external ears, which snakes...
to the loss of right-side anatomy that in most bilaterians is a duplicate of the left side anatomy. The essential featureof this asymmetry is that the...
Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a12_477.pub2. ISBN 3527306730. Hirschmann, H. (1 October 1960). "The Nature of Substrate Asymmetry in...
re-imagined". modernmeadow.com. "Because Animals". Because Animals. Retrieved 2021-08-15. "Bond Pet Foods - Animal-free & Protein-Rich Pet Food". Bond Pet...
Cases of mutant deformity in animalsof the zone include partial albinism and other external malformations in swallows and insect mutations. A study of several...
"Cranial asymmetry in Eocene archaeocete whales and the evolution of directional hearing in water". Proceedings of the National Academy of Sciences....
In modern toothed whales, this asymmetry is associated with high-frequency sound production and echolocation, neither of which is thought to have been...
nose making it wider. Differences in the symmetry of the nose have been noted in studies. Asymmetry is predominantly seen in wider left-sided nasal and...
morphogenesis in all animals. SHH controls organogenesis and the organization of the central nervous system, limbs, digits and many other parts of the body. Sonic...
particles (>4 μm). Lancelets are gonochoric animals, i.e. having two sexes, and they reproduce via external fertilization. They only reproduce during their...
as asymmetry and hardness, and a fluid collection around the breast. A rare complication associated with textured surfaced implants is a type of lymphoma...