Desenvolvimento da palma Opuntia stricta (Haw.) Haw. (Cactaceae) in vitro em resposta à substituição de nitrato de potássio (P.A.) por fertilizante comercial KNO 3 To reduce costs in the acquisition ...

Marine turtles have lived in the oceans for over 100 million years. They are an integral part of the traditional culture of many coastal indigenous peoples throughout the world. Marine turtles migrate ...

They’re also a bit of a bridge between land and water, depending on the species. “All animals with a backbone and a shell are turtles,” says Jeffrey Lovich, Research Ecologist at the U.S ...

Worldwide, there are about 400 species of sharks. Of these, around 180 species occur in Australian waters, of which about 70 are thought to be endemic. Sharks occur in all habitats around the ...

ARTICLES. Anatomy, ultrastructure and secretion of Hibiscus pernambucensis Arruda (Malvaceae) extrafloral nectary 1. Anatomia, ultra-estrutura e secreção do nectário extrafloral de Hibiscus ...