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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Fins made for walking

Article Abstract:

Scientists Jennifer A. Clack and Michael I. Coates have concluded that the fins of fish adapted into limbs in the water rather than on land. Their work supports research performed by scientist A.S. Romer in the 1950s. Evolutionary evidence featuring organisms such as the fish Acanthostega and the tetrapod Tulerpeton is described. The Acanthostega has physiological similarities to tetrapods.

Author: Lebedev, Oleg A.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1997
Adaptation (Biology), Evolutionary adaptation, Ichthyological research, Ichthyology, Extremities (Anatomy)

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The dynamics of chromosome evolution in birds and mammals

Article Abstract:

Comparative maps of chicken with human and mouse were constructed to study the dynamics of chromosome rearrangement during vertebrate evolution. It is concluded that the organization of the human genome is nearer to that of the chicken that the mouse, and three possible phases of chromosome evolution are determined.

Author: Windsor, Dawn, Smith, Jacqueline, Morrice, David R., Waddington, David, Burt, David W., Bruley, Charolotte, Dunn, Ian C., Jones, Cheryl T., Ramage, Anne, Law, Ady S., Paton, Ian R., Sazanov, Alexi, Fries, Ruedi
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1999
Chromosomes

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Subjects list: Research, Evolution (Biology), Evolution
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