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.
Vascular tissue is made up of xylem and phloem, which transport water and food, respectively, throughout a plant. Lower plants, like mosses and algae, don't have a vascular system and therefore no vascular tissue. The tissue starts out as vascular cambium, or undifferentiated cells that