AEBI 120 Lecture Notes - Lecture 14: Phloem, Tracheid, Ground Tissue
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1. What protects the leaf against desiccation and stress from other environmental factors? Select one: a. Stomata b. Mesophyll c. Epidermis d. Cuticle
2. Match the monocot stem terms to their definitions.
a) support the stem structurally and are dead fibrous cells that have thick walls | Answer choices: Parenchyma Phloem Sclerenchyma Xylem | ||||||||
b) transport water and nutrients up from the roots | |||||||||
c) characterized by large vacuoles, which store nutrients and food. | |||||||||
d) transport sugar formed in the leaves by photosynthesis to the rest of the plant to be used as food. 3. Match the eudicot stem terms to their definitions.
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4. Suppose you chop down a plant in the woods and bring it home to examine. You cut a cross section of the stem and you note that it has pith in the center. How would you classify this plant?
5. You encounter a shrubby-looking plant that you cannot tell if it has true wood or not. Upon cutting it open cross-sectionally, you note a layer of cork cambium. What does this tell you?