BSC 1005 Lecture 30: Chapter 25 Plant Tissues
Document Summary
Sclerenchyma, xylem, phloem, axillary and apical buds, petiole, node, internode. Plants that complete their lifecycle within one year. Plants that complete their lifecycle within two years. Tend to have an underground storage (bulb, root) Plants that take several years to complete their lifecycle. Tend to live for a very long time. 4 leaves, 8 leaves, 12 leaves, 16 leaves. 5 leaves, 10 leaves, 15 leaves, 20 leaves. Cotton is the trichome of cotton seed epidermis. 3 leaves, 6 leaves, 9 leaves, 12 leaves. The distribution of t. s. is different for stems and roots. Consists of cell capable of dividing repeatedly to form tissues. Tissue is a group of cells performing a common function. P. m. is found at the tips of roots and shoots. L. m. is found inside a stem or root. Helps to increase the girth of the plant body. After secondary growth, epidermis is replaced by bark. Plant epidermal cells have cutin to prevents water loss.
