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Há 11 horas · Dolphin. A dolphin is an aquatic mammal in the clade Odontoceti ( toothed whale ). Dolphins belong to the families Delphinidae (the oceanic dolphins), Platanistidae (the Indian river dolphins ), Iniidae (the New World river dolphins), Pontoporiidae (the brackish dolphins), and possibly extinct Lipotidae (baiji or Chinese river dolphin).
Há 11 horas · List of Top Journals in Zoology Ranked by h5-index (2024) Publication h5-index h5-median 1 Molecular Phylogenetics and Evolution 56 70 2 Zootaxa 36 50 3 ZooKeys 36 48 4 Mammal Review 33 50 5 Systematic Entomology 33 47 6 Zoological Journal of the Linnean Society 32 44 7 Journal of Mammalogy 32 43 8 Brazilian Journal of
Há 11 horas · Our new online dictionaries for schools provide a safe and appropriate environment for children. And best of all it's ad free, so sign up now and start using at home or in the classroom. Word lists. We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots!
Há 11 horas · Origin of birds. The scientific question of within which larger group of animals birds evolved has traditionally been called the " origin of birds ". The present scientific consensus is that birds are a group of maniraptoran theropod dinosaurs that originated during the Mesozoic Era . A close relationship between birds and dinosaurs was first ...
Há 11 horas · Aphonopelma catalina Hamilton, Hendrixson & Bond, 2016 – United States. Aphonopelma chalcodes Chamberlin, 1940 – United States. Aphonopelma chiricahua Hamilton, Hendrixson & Bond, 2016 – United States. Aphonopelma cookei Smith, 1995 – Mexico. Aphonopelma crinirufum (Valerio, 1980) – Costa Rica. Aphonopelma eustathes (Chamberlin, 1940 ...
Há 11 horas · Ivermectin does not readily cross the blood–brain barrier of mammals due to the presence of P-glycoprotein (the MDR1 gene mutation affects the function of this protein). Crossing may still become significant if ivermectin is given at high doses, in which case brain levels peak 2–5 hours after administration.
Há 11 horas · There are four types of influenza virus: A, B, C, and D. Aquatic birds are the primary source of influenza A virus (IAV), which is also widespread in various mammals, including humans and pigs. Influenza B virus (IBV) and influenza C virus (ICV) primarily infect humans, and influenza D virus (IDV) is found in cattle and pigs.
