(Encyclopedia) endangered species, any plant or animal species whose ability to survive and reproduce has been jeopardized by human activities. In 1999 the U.S. government, in accordance with the U.S…
(Encyclopedia)
CE5
Anatomy of a ray-finned fish
fish, limbless aquatic vertebrate animal with fins and internal gills. Traditionally the living fish have been divided into three class: the…
(Encyclopedia) Papua New GuineaPapua New Guineapăpˈ&oomacr;ə, –y&oomacr;ə, gĭnˈē [key], officially Independent State of Papua New Guinea, independent Commonwealth nation (2015 est. pop. 6,672…
(Encyclopedia)
CE5
A. The earthworm, Lumbricus terrestris, representative of the phylum Annelida.
B. Internal anatomy of an earthworm.
AnnelidaAnnelidaənĕlˈĭdə [key] [Lat., anellus=a ring],…
