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.
The bark of a tree is a mixture of old, nonfunctional phloem and the young functional phloem (periderm). Xylem: There are two types of conducting cells in xylem, tracheids and vessel elements. Both have thick lignified secondary walls and are dead at maturity.round tissue has a wide variety of functions, even though it is composed of fairly simple tissue types. Parenchyma Tissue: The most abundant, diverse, and versatile cells in a plant are found in the parenchyma tissue.