Henry David Thoreau was born at what is now the Thoreau Farm Trust in Concord, Massachusetts on 12 July 1817 to Cynthia (1787-1872) and John Thoreau (1787-1859), pencil maker. He had two sisters and one brother; Helen, Sophia, and John.
All plant cells are characterized by several common features, such as chloroplasts, a cell wall, and a large vacuole. These features also differentiate plant cells from animal cells. In addition, there is a number of specialized types of plant cells that are found only in vascular plants.ll plant cells are characterized by several common features, such as chloroplasts, a cell wall, and a large vacuole. These features also differentiate plant cells from animal cells. In addition, there is a number of specialized types of plant cells that are found only in vascular plants.
Plant and animal cells Cytoplasm Jelly-like substance, where chemical reactions happen. In plant cells there's a thin lining, whereas in animal cells most of the cell is cytoplasm. Plant and animal cells Nucleus Controls what happens inside the cell. Carries genetic information. Plant and animal cells Chloroplast Where photosynthesis happens â chloroplasts contain a green substance called chlorophyll. Plant cells only Vacuole Contains a liquid called cell sap, which keeps the cell firm.