Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 22, Problem 3CT
Summary Introduction
To explain: The reason that the fruit tree does not need to make as much pollen as a pine to ensure pollination.
Introduction: The arrival of pollen grains on the female reproductive part of a seed plant is called pollination. Pollination can occur through wind, insects, or animals, or through water. This increases the genetic diversity of an organism.
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Chapter 22 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 22 - The first land plants were ___ . a. gnetophytes b....Ch. 22 - Prob. 2SQCh. 22 - A waxy cuticle helps land plants ___ . a. oonserve...Ch. 22 - True or false? Ferns produce seeds inside sori.Ch. 22 - ___ attach mosses to soil. a. Rhizoids b. Rhizomes...Ch. 22 - Bryophytes alone have a relatively large ___ and...Ch. 22 - Club mosses, horsetails, and ferns are ___ plants....Ch. 22 - Coal consists primarily of compressed remains of...Ch. 22 - Insect-Assisted Fertilization in Moss Moss sperm...Ch. 22 - Prob. 2DAA
Ch. 22 - Prob. 3DAACh. 22 - The sperm of swim to eggs. a. mosses b. ferns c....Ch. 22 - A seed is a(n) ___ . a. female gametophyte b....Ch. 22 - Prob. 11SQCh. 22 - Which angiosperm lineage includes the most...Ch. 22 - Match the terms appropriately. ____ bryophyte a....Ch. 22 - Match the terms appropriately. _____ovule a....Ch. 22 - Place these groups. in order of their appearance...Ch. 22 - Early botanists admired ferns but found their life...Ch. 22 - Prob. 2CTCh. 22 - Prob. 3CTCh. 22 - Compared to vascular plants, bryophytes arc more...Ch. 22 - Lignin and vascular tissue first evolved in...
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- In flowers, the structures that produce male gametophytes are called _______ ;the strcutures that produce female gametophytes are called _______ . a. pollen grains; flowers c. anthers; stigma b. stamen; carpels d. megaspores; microsporesarrow_forward: What factor has the most impact on germination of seedsarrow_forwardWhich statement about wind-pollinated plants is correct? Their stamens and stigmas are inside the flower and, compared to insect-pollinated plants, they have large petals Their stamens and stigmas are outside the flower and, compared to insect-pollinated plants, they have small petals Their stamens and stigmas are outside the flower and, compared to insect-pollinated plants, they have large petalsarrow_forward
- For a plant colonixing a remote island, describe one advantage and one disadvantage of: a.) cross-pollination b.) self-pollinationarrow_forwardLook at the flower, observe color, size of petals and height of stamen and pistil. What type of pollination does it present? - Self pollination - wind cross pollination - bird cross politicizationarrow_forwardThe Dodder plant is famous for strangling other plants. Explain how tropisms are used in the plant. Roses have open petals while other plants such as dog tails don't. Explain how the structure and shape of different species of plants affect their pollination.arrow_forward
- Describe a conifer pollen cone. Why is it a simple cone? Describe a conifer seed cone. Why is it a compound cone?arrow_forwardSuppose that 100 pollen grains land on a stigma, and 50 mature seeds are formed in the fruit. What does this indicate about the pollination process and success? A) 100% success: 100 pollen grains grew to 50 ovules, two to each, and double fertilization occurred. B) 100% success: Only 50% of the pollen grains germinated, but each produced 2 sperms to complete double fertilization in 50 seeds. C) 50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 50 polar nuclei. D) 50% success: 50 sperm fertilized 50 eggs, and 50 sperm fused with 100 polar nuclei. correct answer and explanation why please.arrow_forwardexplain the raspberry and strawberry relation in this imagearrow_forward
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