Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Chapter 27, Problem 7SQ
Summary Introduction
Concept introduction: Veins transport both water and minerals by xylem and food energy by phloem through the leaf and to the rest of the plant. Veins in the leaf are located in the spongy layer of the mesophylls. The types of venation are the characteristics of the different kinds of plants.
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Biology: The Unity and Diversity of Life (MindTap Course List)
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- How do the internal structures of the plant shown compare to a cactus? A. They both have ovaries for protection. B. Photosynthesis occurs within the phloem of both plants. C. They both have thorns for reproduction. D. They are both able to transport water in many directions.arrow_forwardConsidering the leaf structure of a vascular plants, which of the following does not contain chloroplast A. The plalisade B. The spongy mesophyll C. The epidermis D. The guard cellarrow_forwardIn vascular plants, phloem tissue primarilya. transports water.b. transports carbohydrates.c. transports minerals.d. supports the plant.arrow_forward
- Rootsa. are the primary site of photosynthesis.b. give rise to new leaves and flowers.c. have a thick cuticle to protect the epidermis.d. absorb water and nutrients.e. contain spores.arrow_forwardThe _______do not have xylem or phloem. a. mosses b. ferns c. monocots d. conifersarrow_forwardSieve tubes are part of ___________. a. cortex c. phloem b. mesophyll d. xylemarrow_forward
- A vascular cylinder consists of _______ a. exodermis b. endodermis c. root cortex d. xylem and phloem e. b and d f. all of the abovearrow_forwardClosed stomata ________. a. limit gas exchange c. prevent photosynthesis b. permit water loss d. absorb lightarrow_forwardThe waxy layer that covers aerial parts of plants is the (a) cuticle (b) archegonium (c) protonema (d) stoma (e) thallusarrow_forward
- Why do mosses grow well in the Arctic tundra? a. They grow better at cold temperatures. b. They do not require moisture. c. They do not have true roots and can grow on hard surfaces. d. There are no herbivores in the tundra.arrow_forwardPollen grains develop in which structure? a. the anther b. the stigma c. the filament d. the carpelarrow_forward
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