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Ciencias Naturales (463)
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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
"Plant hormones are chemicals that promote or inhibit growth in plants. There are 5 main types of plant hormones. Auxin, commonly abbreviated as IAA, gibberellins and cytokininins all promote plant gr ...
Video Biología
"Plants grow using things called meristems which are layers of cells capable of rapid cell division. There are two types of meristems: (1) the shoot apical meristem where the plant grows taller and gi ...
Video Biología
"Plants have developed a number of adaptive mechanisms over time to aid in their reproduction and growth. Several things that plants have developed to aid in their adaptation include roots, vasular ti ...
"When two genes are located on the same chromosome they are called linked genes because they tend to be inherited together. They are an exception to Mendel's law of Segregation because these genes are ...
Video Biología
"The chloroplast is the organelle in which photosynthesis takes place. Inside the chloroplast there are disk like structures called thylakoids arranged in stacks called granum. The light dependent rea ...
"Carbohydrates are macromolecules composed of carbon, hydrogen and oxygen. Biologists are interested in carbohydrates because they serve as energy storage and as structural frameworks within cells. Si ...
"Physical matter properties include color, odor, density, melting point, boiling point and hardness. Physical properties are divided into intensive and extensive properties. Intensive properties are u ...
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
"Photosynthesis is a process found in plant cells which converts light energy into chemical energy in the form of sugars that the plant can store and use at any time. Photosynthesis takes place in the ...
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