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Academic Journal

Limited Oxygen Availability In Utero May Constrain the Evolution of Live Birth in Reptiles.

Subjects: *REPTILES; *OVIPARITY; *OXYGEN

  • Source: American Naturalist. Feb2013, Vol. 181 Issue 2, p245-253. 9p. 1 Color Photograph, 1 Chart, 3 Graphs.

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Academic Journal

A Novel Report of Hatching Plasticity in the Phylum Echinodermata.

Subjects: *MATERIAL plasticity; *ECHINODERMATA; *DEVELOPMENTAL biology

  • Source: American Naturalist. Feb2013, Vol. 181 Issue 2, p264-272. 9p. 3 Black and White Photographs, 1 Chart, 2 Graphs.

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Academic Journal

Taxon Categories and the Universal Species-Area Relationship.

Subjects: *MACROECOLOGY; *SPECIES-area relationships; *WILDLIFE-habitat relationships

  • Source: American Naturalist. Feb2013, Vol. 181 Issue 2, p282-287. 6p. 1 Chart, 2 Graphs.

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