This is a preview. Log in through your library . Abstract The development of gametophores of 38 populations belonging to 11 species of Tortula Hedwig was studied. The observed sequence of juvenile ...

From the early cave paintings in Lascaux in the Southwest of France, painted with hands and hollow bone, to the ethically questionable practice of plastination, humankind has tried to preserve the ...

THE real relation between ontogeny and the adult stages of ancestors (phylogeny) in multicellular organisms (Metazoa and Metaphyta) is now firmly established in the sense that ontogeny is not an ...

Background to primate phylogeny. Recent advances in methods of phylogenetic inference / George Gaylord Simpson ; Toward a phylogenetic classification of the Mammalia / Malcolm C. McKenna ; Phylogeny, ...

As the official publication of the Division on Black American Literature and Culture of the Modern Language Association, the quarterly journal African American Review promotes a lively exchange among ...

The higher level cladistic structure of cribellate spiders (Araneomorphae) and ontogenetic evidence relevant to the homology of sclerites in the male spider palp are reviewed, with the aim of ...

Picture a baby chimp clinging to its mother's back, wide eyes taking in everything around it. Just like human babies, these little ones start life completely helpless, relying on their mom for ...