1 A day care is a business, and as a business owner you'll be in charge of employee management, bookkeeping, marketing, and other responsibilities that come with running a small business in addition to providing childcare.
Guard cells, chloroplast-containing cells scattered throughout the epidermal layers regulate the opening and closing of the stoma. Periderm tissue forms the outer bark of woody plants and will be discussed later. Observe the prepared slide of a leaf epidermis and compare with the micrograph below.
a layer of formative cells between the wood and bark in dicotyledonous plants: these cells cause the girth of the stem to increase by dividing and differentiating to form new xylem and phloem tissue, which will eventually become wood and bark.