Earth and its atmosphere are continuously altered. Plate tectonics shift the continents, raise mountains and move the ocean floor while processes not fully understood alter the climate. Such constant change has characterized Earth since its beginning some 4 billion years ago.
Following gastrulation, the next major development in the embryo is neurulation, which occurs during weeks three and four after fertilization. This is a process in which the embryo develops structures that will eventually become the nervous system
<span>partial dominance. is the best way or it can be 3/4.
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You can learn their traits such as the color of the feathers and where they came from or originated from
Main function is to help support and give shape to the cell also serve a transportation function, as they are the routes upon which organelles move through the cell
