Leaves 31-4
About this set
Created by:
chattterboxxx on May 6, 2012
Subjects:
Log in to favorite or report as inappropriate.
Order by
18 terms
Terms | Definitions |
|---|---|
 tendril | a specialized leaf found in many vines (peas & pumpkins) |
| nitrogen | Carnivorous plants grow in poor soil low in _________ |
| spines | protect a plant from being eaten, small, non photosynthetic and reduce transpiration (thorns) |
| blade | the broad, flat portion of a leaf that is the site of most photosynthesis |
| petiole | the blade is usually attached to the stem by a stalk like ________ |
| simple leaf | where a leaf has a single blade |
| compound leaves | the blade is divided into leaflets |
| stomata | water, oxygen, and carbon dioxide enter and exit the leaf through the ______ in the epidermis |
| mesophyll | (where photosynthesis occurs in leaves) a ground tissue composed of chloroplast-rich parenchyma cells |
| palisade mesophyll | a mesophyll layer that occurs directly beneath the upper epidermis and is the site of most photosynthesis |
| spongy mesophyll | a mesophyll layer beneath the palisade layer that consist of irregular shaped cells, which allow oxygen, carbon dioxide, and water to diffuse into and out of the leaf |
| veins | vascular bundles |
| venation | the arrangement of veins in a leaf |
| amino acids, fats | Light energy also is used by mesophyll cells to synthesize ____ _____, ____, and a variety of other organic molecules |
| insufficient water | What is a major limitation to plant photosynthesis due to transpiration? |
| Leaves that develop in full sun are thicker, have a smaller area per leaf, and have more chloroplasts per unit area | Leaves that develop in full sun are thick, have a smaller area per leaf. and have more chloroplasts per unit area |
| guard cells | modified cells found on the leaf epidermis that regulate gas and water exchange |
| water | When epidermal cells of leaves pump potassium ions into guard cells, _____ moves into the guard cells by osmosis that makes guard cells swell |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.