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This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..