Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Textbook Question
Chapter 38, Problem 5TYU
Why is the emergence of the radicle an important first step in germination?
a. Its hook helps protect the shoot that emerges later.
b. It carries out photosynthesis to supply the embryo with food.
c. It is important for establishing a supply of water to the growing embryo.
d. It is necessary to break the seed coat.
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Chapter 38 Solutions
Biological Science (7th Edition)
Ch. 38 - Prob. 3TYKCh. 38 - Prob. 4TYKCh. 38 - 5. Why is the emergence of the radicle an...Ch. 38 - What are the advantages and disadvantages of...Ch. 38 - Prob. 8TYUCh. 38 - Prob. 9TYPSSCh. 38 - 10. MODEL Make a sketch of a simplified flower...Ch. 38 - Prob. 11PIATCh. 38 - Prob. 12PIATCh. 38 - Prob. 13PIAT
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Besides the seed, what other major structure diminishes a plant’s reliance on water for reproduction? a. flower b. fruit c. pollen d. sporearrow_forwardHow to extract fruit seeds from small seeds with adhering flesh? a. wash them thoroughly with water b. simply twist the nut to separate from the pseudocarp c. remove the flesh by macerating seeds with fine sand, then wash thoroughly with water d. soak them in water for 24 hrs until the adhering materials becomes soft and readily separated from the seeds. Wash with tap water.arrow_forwardWhich statement describes a similarity between angiosperms and gymnosperms? A. Both produce fruit. B. Both are heterosporous. C. Both have flagellated sperm. D. Both have carpels protecting the seed.arrow_forward
- Which structure would differentiate an angiosperm from a gymnosperm? A. stamen B. ovule C. pollen D. gametophytearrow_forwardHow does double fertilization occur in flowering plants?a. The two sperm in a pollen tube fertilize the two egg cells present ineach female gametophyte.b. One of the two sperm in a pollen tube fertilizes the single egg in afemale gametophyte, and the other fuses with the two nuclei presentin the central cell.c. Two sperm, one contributed by each of two different pollen tubes,fertilize the two egg cells in a single female gametophyte.d. Two sperm contributed by separate pollen tubes enter a singlefemale gametophyte; one of the sperm fertilizes the egg cell, and theother fertilizes the central cell.e. None of the above is correct.arrow_forwardwhich statement about stems is true? a. Gymnosperms have herbaceous stems. b. Woody stems produce xylem and phloem only once during the life of a plant. c. The vascular bundles are arranged in a circle in herbaceous monocot stems. d. Stems connect the vascular tissue from shoot to root.arrow_forward
- What adaptation do seed plants have in addition to the seed that is not found in seedless plants?a. gametophytesb. vascular tissuec. pollend. chlorophyllarrow_forwardWhich of these is a feature not present in seedless plants that have contributed to the success of seed plants on land? a. Seeds have four layers of protective tissue, the seed coat, that improve survival by providing more protection from environmental stresses. b. The reduced gametophytes of seed plants are nurtured by sporophytes and protected from stress, such as drought conditions and UV radiation. c. Seed germination is solely mediated by water during episodes of heavy rain. d. Pollen grains, with walls containing sporopollenin, deter herbivores. Three unknown non-vascular plant species were collected by Biology 3 students. Which characters BEST discriminate them from one another? 1. protonema II. special organelles III. seta IV. calyptra V. capsule VI. stalk a. I,II,III b. I,III,V c. III, IV, V d. II,IV,VIarrow_forwardWhich characteristic differentiates an angiosperm from a fern? A. the alternation of generations B. the presence of cotyledons C. the presence of vascular tissue D. the alternation of sporophytesarrow_forward
- What is a function of the flower? a.) to develop into fruits which contains seed for reproduction b.) to hold the plant firmly to the ground c.) to absorb water mineral salts from the soilarrow_forwardHow 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_forwardMake a coclusion about the Effect of Light to seed germination and seed growth.arrow_forward
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