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As espécies de Scarabaeinae coletadas em seis diferentes sistemas de uso da terra em Benjamin Constant, AM, Brasil, são listadas com comentários gerais sobre os gêneros e espécies registradas. Os besouros foram capt...

Cephalanthus belongs to Rubiaceae tribe Naucleeae, and is characterized as shrubs to a small trees, mainly from the lowlands, with verticillate leaves. We hypothesized that the foliar morphoanatomy of Cephalanthus specie...

Subjects / keywords: tribe systems, performance of lubricants, solids and liquid lubricants and additives, tribomaterials, nanotribology, biotribology; Social Sciences: Societies: secret, benevolent, etc

ABSTRACT Herbivores face the dilemma that the level of feed intake is negatively related to factors that determine digestive efficiency, such as thoroughness of ingesta comminution by chewing, and retention of digesta in...

Mixotrophic protists combine photo-autotrophy and phago-heterotrophy. Even though only in oligotrophic systems mixotrophs overcome strictly autotrophs, they are represented all along the trophic spectrum. We hypothesize ...