Stem cells are undifferentiated cells that could develop to perform a variety of tasks. One type of stem cell is the embrionic stem cell. There are also adult stem cells. To use embrionic stem cell you need to have fertilized embrios. These can be donated to research. The use of the embrionic stem cells is controversial for this reason.
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Explanation:Most plants the manage to grow from bricks and or concrete are mostly weeds that do not need light to grow. They are 100% dependant on if they get any sun or not. If you put seeds under concrete they would not make it, if you put them in a crack in concrete they might have a chance it all depends on the light they get.
Adaptations are like mini evolutions that occur in 1 generation , the plant or animals body changes based on the environment around it. Sometimes when and organism evolves it's because of natural selection, which basically means that the organism with the best trait will survive
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there energy levels go into overdrive
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and that is what is called a sugar rush
In cell biology, the cleavage furrow is the indentation of the cell's surface that begins the progression of cleavage, by which animal and some algal cells undergo cytokinesis, the final splitting of the membrane, in the process of cell division.
