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Video Biología
"The reproductive system is a group of organs responsible for reproduction. The organs and gametes of the reproductive system differs between genders- female gametes are called eggs and male gametes a ...
"Reproductive isolation is a mechanism that keeps species from mating with others. Prezygotic isolation prevents the fertilization of eggs while postzygotic isolation prevents the formation of fertile ...
Video Biología
"Divergent evolution occurs when related species develop unique traits due to different environments or selective pressures. A classic example of divergent evolution is the Galapagos finch which Darwi ...
Video Biología
"The digestive system controls the chemical and mechanical breaking down of food into molecules that can be used throughout the body. It includes organs such as the esophagus, stomach, and small and l ...
"The cytoskeleton provides structure within a cell. It is found in all cells and is important for cellular motion (using structures such as flagella and cilia) and intracellular transport. Cytoplasm i ...
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 ...
"Proteins, also known as polypeptide chains, are macromolecules of linked amino acids. Proteins are types of organic compounds that, among other things, store energy and form enzymes. Proteins have se ...
Video Biología
"Protein synthesis begins with a process called translation which occurs in the ribosomes, located in the endoplasmic reticulum. mRNA copies genetic information from the nucleus in a process called tr ...
Video Biología
"Prokaryotic cells are much simpler than eukaryotic cells. Prokaryotes don't have many membrane bound internal structures such as organelles or nuclei. Their genetic information floats freely within t ...
Video Biología
"Convergent evolution, also called parallel evolution, is a type of evolution in which two unrelated species develop similar traits due to similar environments or selective pressures. These similar tr ...
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