Exam 3 Notes


Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: re 35.2 Roots o An organ that anchors the vascular plant o Absorbs minerals and water Absorption occurs near root tips Root hairs increase the surface area of the root o Stores organic nutrients o Figure 35.3 Stems 12 o Consists of: Nodes – points at which leaves are attached Internodes – segment between nodes place where leaves are not attached Axillary buds – potential to form lateral shoot (i.e., branch) Terminal bud – located at the shoot tip, causes the elongation of a young shoot Figure 35.2 Leaves o The leaf is the main photosynthetic organ of most vascular plants o Consist of: a flattened blade the petiole, which joins the leaf to a node of the stem also known as the stalk o Figure 35.2 Simple vs. Compound Leaves o Simple leaf – a single, undivided blade Some may have deep lobes o Compound leaf – blade consists of multiple leaflets o Doubly Compound leaf – each leaflet is divided into smaller leaflets o Figure 35.6 o Axillary bud tells you where the leaf begins and what kind of leaf it is The Three Tissue Systems: Dermal, Vascular, and Ground o Dermal – consists of the epidermis and periderm o Vascular – carries out transport of materials...
View Full Document

This note was uploaded on 02/03/2014 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.

Ask a homework question - tutors are online