A vascular plant is a plant that is characterized by the presence of conducting tissue.
Plastic can lead to the destruction of habitats and wildlife. In the ocean, many sea animals and birds are dying from choking on these toxins. It can take hundreds or even thousands of years to break down the plastic, causing the environmental damage to be long lasting.
Cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.
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