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Ciencias Naturais (110)
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"A virus is a nucleic acid encased in a protein shell and is inactive except within a host cell. Viruses penetrate host cells and inject their genetic information in the form of DNA or RNA. In the lit ...
Video Biología
"The Fungi Kingdom consists of plant-like organisms with small nuclei such as yeast, bread mold and mushrooms. Many of the organisms in the Fungi Kingdom can cause disease, but some are helpful as the ...
Video Biología
"The protist kingdom is a classification that includes a diverse group of eukaryotic organisms. Typically, protists reproduce asexually via mitosis and range from unicellular to multicellular organism ...
"In Biology, classification is the way to organize living things based on evolutionary relationships. Traditionally, we organize species into the standard hierarchy of kingdom, phylum, class, order, f ...
Video Biología
"Cladistics is the method of classifying organisms into groups called clades. Clades consist of an ancestor organism and all of it's decedents and one branch is the tree of life. Cladograms are diagra ...
Video Biología
"Like the Animal Kingdom, the Plant Kingdom is also a major part of the Linnaean system of classification that includes organisms like trees, bushes and grasses. The plants in this kingdom can be call ...
Video Biología
"A phylogenetic tree is a branching diagram that shows evolutionary relationships. These trees, often compared to family trees, are constructed using a variety of evidence generally using DNA. In phyl ...
Video Biología
"The Bacteria Kingdom, formerly called monera, are single celled prokaryotic organisms. Bacteria encompass two domains: eubacteria and archaea. Eubacteria and archaea have very different cell walls. T ...
Video Biología
"Unlike the organisms of the Archaea or Monera Kingdoms, the Animal Kingdom consists of multi-cellular, heterotrophic organisms that feed on other organisms to survive. Some of the characteristics of ...
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