Botany Exam 1: Chapter 8
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Created by:
Jephaaa on September 6, 2012
Subjects:
Plant structures, growth, and development.
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44 terms
Terms | Definitions |
|---|---|
 Angiosperms | Contains Eudicots and Monocots. |
| Herbaceous | The primary plant body is _____. |
| Woody | The secondary plant body is ____. |
| -Nature of cell walls -Cell functions | All cells belong to classes based on...(2) |
| -Parenchyma -Collenchyma -Sclerenchyma | 3 cell classes. |
| Parenchyma cell | Cell that contains thin primary cell walls. Known as the "workhorse of the cell". |
| Parenchyma Tissue | A mass of Parenchyma cells. |
| Chlorenchyma Cells | A type of photosynthetic Parenchyma cell. |
| Shoots (roots/stems) | Location of Chlorenchyma cells. |
| Glandular Parenchyma Cells | A type of Parenchyma cell that secretes nectar, fragrences, mucilage, resins & oils. |
| Dead | Some Parenchyma cells function when ____ at maturity. (Xylem) |
| Parenchyma Cells | Cells that are relatively "cheap" to build due to their thin primary cell walls. |
| Collenchyma Cells | Cells with thin primary cell walls that are thickened in some areas (corners). |
| Collenchyma Cell | Cell that allows flexible support in the growing regions in a shoot of a plant. |
| Collenchyma Cells | This cell is located beneath the Epidermis of a plant. |
| Epidermis | The supporting vascular bundles in the growing shoot tips of a plant. |
| Sclerenchyma Cells | A type of cell that has a thick primary cell wall and, usually, a lignified secondary wall. |
| Sclerenchyma Cells | A type of cell that is elastic and deformed but can return to size and shape when needed. |
| Sclerenchyma Cells | Type of cell that supports a plants thallus. |
| Sclerenchyma Cells | A type of cell whose secondary cell wall prevents protoplasm from expanding when water is absorbed into the cell. |
| -Fiber -Sclereids | 2 types of Sclerenchyma cells... |
| Fiber | A type of Sclerenchyma cell, is long and flexible. |
| Sclereids | A short, isodametric, inflexible and brittle type of Sclerenchyma cell. |
| Sclerenchyma Cells | A type of cell that has small plasmodesmata that must remain free of the secondary cell wall. |
| Plasmodesmata | Becomes pits in the secondary cell wall of a Sclerenchyma cell. |
| Conducting Sclerenchyma Cell | A type of cell that helps transport water very inefficiently. |
| Shoot | Made up of stems and leaves. Located in the above ground portion of the thallus. |
| Nodes | Location where the leaves of a plant are attached. |
| Internodes | Regions between the nodes of a plant. |
| Leaf Axil | Region that contains the Axillary and Terminal Bud. |
| Axillary Bud | Mini shoot that has a dormant, apical meristem at the base of a leaf. |
| Terminal Bud | Embryonic tissue at the tip of a shoot, made up of developing leaves and a compact series of nodes and internodes. |
| Differentiate | A developmental process whereby unspecialized cells and tissues become specialized in their form or function. |
| Cells | Unspecialized cells can divide and produce ___ that are specialized, so that the plant can grow and develop. |
| Apical Meristem | Region in a plant that generates new primary tissues at the root and stem tips of a plant. |
| Apical Meristem | Helps elongate the root and stem of a plant |
| Epidermal Tissue | The "skin" of a plant. Helps water-proof (keep water in) and protect the plant. |
| Vascular Tissue | A type of tissue of a plant that conducts H20 and other substances throughout the thallus. (Xylem & Phloem) |
| Ground Tissue | A type of tissue thats located between a plants epidermis and vascular tissues. Made mostly of Parenchyma cells. |
| H20 uptake | Cells can easily and cheaply enlarge by... |
| Phyllotaxy | Arrangement of leaves on the stem. |
| Alternate Phyllotaxy | Only 1 leaf per node. |
| Opposite Phyllotaxy | 2 leaves per node. |
| Whorled | 3(+) leaves per node. |
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