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Epidermis

A. Schmidt-Rhaesa

in The Evolution of Organ Systems

Published in print:
2007
Published Online:
September 2007
ISBN:
9780198566687
eISBN:
9780191718007
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198566687.003.0004
Subject:
Biology, Evolutionary Biology / Genetics

The epidermis is the external surface of an animal and performs several functions. It is usually a monolayer of cells, but can also be composed of several layers of cells. Epidermal cells are ... More


EURADICULATA

Claus Nielsen

in Animal Evolution: Interrelationships of the Living Phyla

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199606023
eISBN:
9780191774706
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606023.003.0006
Subject:
Biology, Evolutionary Biology / Genetics, Animal Biology

The Euradiculata, a clade comprised of Calcarea and Proepitheliozoa, is not supported by many morphological traits, but got its name from the characteristic, cross-striated ciliary root present in ... More


Phylum Nemertodermatid

Claus Nielsen

in Animal Evolution: Interrelationships of the Living Phyla

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199606023
eISBN:
9780191774706
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606023.003.0019
Subject:
Biology, Evolutionary Biology / Genetics, Animal Biology

The phylum Nemertodermatida is comprised of about ten species of millimetre-sized ‘turbellariform’ worms that are mostly interstitial. One species, Meara, lives as a commensal in the pharynx of ... More


ANIMALIA (METAZOA)

Claus Nielsen

in Animal Evolution: Interrelationships of the Living Phyla

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199606023
eISBN:
9780191774706
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606023.003.0002
Subject:
Biology, Evolutionary Biology / Genetics, Animal Biology

In Systema Naturæ (1735, 1758), Carolus Linnaeus proposed a definition of the Kingdom Animalia: natural objects that grow, live, and sense. In contrast, plants grow and live but do not sense, while ... More


Phylum Sipuncul

Claus Nielsen

in Animal Evolution: Interrelationships of the Living Phyla

Published in print:
2011
Published Online:
December 2013
ISBN:
9780199606023
eISBN:
9780191774706
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199606023.003.0026
Subject:
Biology, Evolutionary Biology / Genetics, Animal Biology

The phylum Sipuncula is comprised of approximately 150 benthic, marine species. Fossils from the Lower Cambrian suggest a number of strikingly ‘modern’ sipunculans. The sipunculans have two body ... More


The Vampire Slug of the Killer Alga: The Genesis of Unicellular Animals and Plants: The Evolutionary Revolution

Alexandre Meinesz

in How Life Began: Evolution's Three Geneses

Published in print:
2008
Published Online:
February 2013
ISBN:
9780226519319
eISBN:
9780226519333
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226519333.003.0005
Subject:
Biology, Evolutionary Biology / Genetics

This chapter explains the genesis of animal and plant cells. The ancestors of animal and plant cells were bacteria that became associated with smaller bacteria (destined to become mitochondria, which ... More


Movement in Water

Andrew A. Biewener and Shelia N. Patek (eds)

in Animal Locomotion

Published in print:
2018
Published Online:
May 2018
ISBN:
9780198743156
eISBN:
9780191803031
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198743156.003.0005
Subject:
Biology, Animal Biology, Ecology

This chapter examines how the physical properties of water influence and explain the great diversity of swimming performance and mechanisms - from the scale of spermatozoa on up to whales. The key ... More


Respiratory faculties of aquatic craniotes

Steven F. Perry, Markus Lambertz, and Anke Schmitz

in Respiratory Biology of Animals: evolutionary and functional morphology

Published in print:
2019
Published Online:
November 2019
ISBN:
9780199238460
eISBN:
9780191864056
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199238460.003.0011
Subject:
Biology, Animal Biology, Developmental Biology

This chapter introduces the ‘who has what’ in terms of water-breathing respiratory faculties for craniotes. A branchial basket and a ventral heart or hearts that perfuse the branchial region with ... More


Mechanisms of sensation

Gordon L. Fain

in Sensory Transduction

Published in print:
2019
Published Online:
December 2019
ISBN:
9780198835028
eISBN:
9780191872846
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198835028.003.0002
Subject:
Biology, Neurobiology, Biochemistry / Molecular Biology

“Mechanisms of sensation” is the second chapter of the book Sensory Transduction and describes general features of sensory cells, including types of sensory membrane, the specialized organization of ... More


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