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small, non-pigmented plastids that occur in roots and non-photosynthetic tissues of plants. They often occur in cells that store food.
a species that has been introduced into an area in which it did not previously or naturally...
a process of asexual reproduction in which one cell splits into two cells
an infectious disease that can be spread or transmitted from one person to another.
a viral disease caused by Lyssavirus spp that causes acute inflammation of the brain in...