Plessy V. Ferguson was only a landmark decision in the Supreme Court of the United States issued in 1896. The impact of Plessy v. Ferguson allowed the statement "Separate but equal" also known as segregation to become law in U.S. After this event, Jim Crow laws which were a system of laws meant to discriminate against African Americans, spread across the United States.
Answer:
because they were treated like pets back then and they were useful as maids or servants.
Explanation:
The Stone Age marks a period of prehistory in which humans used primitive stone tools. Lasting roughly 2.5 million years, the Stone Age ended around 5,000 years ago when humans in the Near East began working with metal and making tools and weapons from bronze. Paleolithic Period, also spelled Palaeolithic Period, also called Old Stone Age, ancient cultural stage, or level, of human development, characterized by the use of rudimentary chipped stone tools. The Mesolithic is the Old World archaeological period between the Upper Paleolithic and the Neolithic. The term Epipaleolithic is often used synonymously, especially for outside northern Europe, and for the corresponding period in the Levant and Caucasus. Neolithic, also called New Stone Age, final stage of cultural evolution or technological development among prehistoric humans. ... The Neolithic followed the Paleolithic Period, or age of chipped-stone tools, and preceded the Bronze Age, or early period of metal tools. Hominids are the group of primates that includes humans, gorillas, and chimpanzees, among others. The word hominid originally referred only to humans, and its Latin root reflects that: homo, or "man." Today scientists use it to talk about any of the great apes (including humans).
Answer:
All cells has the same DNA but sum are different The differences depend on what parts of the DNA the cell uses in a process called gene expression. Gene expression can be influenced by environmental factors, and influences from the environment can further affect the phenotype in other ways.
Explanation:
Gene expression depends on a constant dialogue between the nucleus and the cytoplasm by University of Geneva Gene expression is the process by which genetic information is used to produce proteins, which are essential for cells to function properly and fulfil their many purposes.