BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
2020th Edition
ISBN: 9780135686553
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 22, Problem 5RQ
List the structural adaptations necessary for the invasion of dry land by plants. Which of these adaptations are possessed by nonvascular plants? By ferns? By gymnosperms and
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Chapter 22 Solutions
BIOLOGY: LIFE ON EARTH-W/MASTERING ACCE
Ch. 22 - In an alternation of generations life cycle,...Ch. 22 - Prob. 2MCCh. 22 - Prob. 3MCCh. 22 - 4. In which of the following is the gametophyte...Ch. 22 - Prob. 5MCCh. 22 - 1. Scientists hypothesize that the ancestors of...Ch. 22 - Plant adaptations to life on land include a(n)...Ch. 22 - 3. Seedless vascular plants must reproduce when...Ch. 22 - 4. Three groups of nonvascular plants are _______,...Ch. 22 - 1. What is meant by “alternation of generations”?...
Ch. 22 - 2. Explain the evolutionary changes in plant...Ch. 22 - Describe evolutionary trends in the life cycles of...Ch. 22 - Prob. 4RQCh. 22 - List the structural adaptations necessary for the...Ch. 22 - The number of species of flowering plants is...Ch. 22 - List the adaptations of gymnosperms that have...Ch. 22 - What is a pollen grain? What role has it played in...Ch. 22 - The majority of all plants are seed plants. What...Ch. 22 - 1. Prior to the development of synthetic drugs,...Ch. 22 - 2. Only a few hundred of the more than 200,000...
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- Draw a generalized pine tree life cycle and identify the following structures: male and female gametophytes, pollen grain, integuments, archegonium, egg, embryo, and sporophyte.arrow_forwardA slight change in a plant species’ flower structure might favor a different pollinator. How might such a change in flower structure lead to a new plant species? How does coevolution between flowering plants and animal pollinators help explain the huge diversity of angiosperms?arrow_forwardThe following structures are found on the underside of fern leaves and contain sporangia: a. sori b. rhizomes c. megaphylls d. microphyllsarrow_forward
- In the table below, state concisely how gymnosperms are adapted for living on land with respect to each of the following characters: Characteristics Adaptation for living on land 1.alternation of generation 2.needles 3. seeds 4. pollen 5. vascular tissuesarrow_forwardHow do the adaptations of gymnosperms and angiosperms enablethem to live in drier habitats than bryophytes and seedless vascularplants?arrow_forwardWhich gymnosperm family has genera that are not evergreen?arrow_forward
- Which of the following are parts of the sporophyte generation in ferns: frond, sperm cells, egg cell, roots, sorus, sporangium, spores, prothallus, rhizome,antheridium, archegonium, and zygote?arrow_forwardList three ways that ferns, which lack secondary growth,are able to elevate their leaves and thus access more sunlight.arrow_forwardHow do nonreproductive adaptations of flowering plants differ from those of gymnosperms?arrow_forward
- Gymnosperms typically possess…1. sieve tube elements.2. sieve cells.3. companion cells.4. both sieve tube elements and companion cells.5. sieve cells with bordered pits.arrow_forwardRelate the structure of an angiosperm leaf to each of the following:- Adaptations for photosynthesis and food storage.- Adaptations for food translocation and water transport.- Specialized adaptations to a desert environment.arrow_forwardIs seed coat part of sporophyte generation or gametophyte generation?arrow_forward
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