Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 25.3, Problem 1TYK
In what way are gymnosperms different from
- Gymnosperms possess embryos.
- Gymnosperms possess lignified xylem.
- Gymnosperms possess seeds.
- Gymnosperms possess wood.
- Gymnosperms lack flowers, fruit, and seed endosperm.
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What are the major differences between angiosperms and gymnosperms? What are their relationship with pollinator species, please cite at least 5 pollinators species (definition, example, and how they pollinate).
An angiosperm which is unable to form fruits would likely have which of the following defects?
it would not be able to attract pollinators
it would not be able to provide nutrients to the embryo
• it would not be able to disperse seeds
it would not be able to form seeds
In angiosperms, after fertilization, the triploid cell gives rise to ____.
a fertilized ovule
a seed
an embryo sporophyte
endosperm
a pollen grain
Chapter 25 Solutions
Principles of Biology
Ch. 25.1 - Why do you think liverworks, mosses, and hornworts...Ch. 25.1 - Prob. 1TYKCh. 25.1 - Prob. 2TYKCh. 25.2 - Prob. 1CCCh. 25.2 - Prob. 2CCCh. 25.2 - Prob. 1TYKCh. 25.2 - Prob. 2TYKCh. 25.3 - In what way are gymnosperms different from...Ch. 25.3 - Prob. 2TYKCh. 25.4 - Prob. 1TYK
Ch. 25.4 - Prob. 2TYKCh. 25.5 - In what other way do corn ears differ from thoseof...Ch. 25.5 - What feature of wild food did humans alter during...Ch. 25 - Prob. 1TYCh. 25 - Prob. 2TYCh. 25 - Prob. 3TYCh. 25 - Prob. 4TYCh. 25 - Prob. 5TYCh. 25 - Prob. 6TYCh. 25 - Prob. 7TYCh. 25 - Prob. 8TYCh. 25 - Prob. 9TYCh. 25 - Prob. 10TYCh. 25 - Prob. 1CCQCh. 25 - Prob. 2CCQCh. 25 - Prob. 3CCQCh. 25 - Prob. 1CBQCh. 25 - Prob. 2CBQ
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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
- The three main parts of a typical mature eudicot seed are the _______ . a. pollen grain, egg, and seed coat b. embryo, endosperm, and seed coat c. megaspores, microspores, and ovule d. embryo, cotyledons, and seed coatarrow_forwardWhich of the following traits characterizes gymnosperms? a. The plants carry exposed seeds on modified leaves. b. Reproductive structures are located in a flower. c. After fertilization, the ovary thickens and forms a fruit. d. The gametophyte is longest phase of the life cycle.arrow_forwardIn an angiosperm life cycle, sexual reproduction includes: meiosis within the male gametophyte to produce sperm. meiosis within the female gametophyte to produce eggs. meiosis within the ovary to produce megaspores. fertilization leading to development of microspores. fertilization leading to development of megaspores.arrow_forward
- Which of the following statements is false? a. Ferns produce seeds inside sori. b. Conifers do not produce fruits. c. Both gymnosperms and angiosperms produce pollen. d. Only angiosperms produce flowersarrow_forwardIn 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_forwardOnly angiosperms produce_______. a. pollen c. fruits b. seeds d. all of the abovearrow_forward
- A fertilized egg becomes an ______ and the joining of polar nuclei and spem becomes the triploid(3n) endosperm. The ovule wall becomes the seed coat. A seed contains a sporophyte embryo, stored food, and a seed coat. In angiosperms, seeds are enclosed by ________.arrow_forwardWhich suite of reproductive features distinguishes angiosperms from gymnosperms? A. The carpel, double fertilisation, endosperm formation B. Pollen-formation, double fertilisation, seed-formation C. Pollen-formation, the carpel, double fertilisation, endosperm formation D. The carpel, double fertilisation, endosperm formation, seed-formationarrow_forwardWhat are the difference between gymnosperms and angiospermsarrow_forward
- Give one significant difference between gymnosperms and angiosperms.arrow_forwardWhat are the basic differences between gymnosperms and angiosperms?arrow_forwardWhat evolutionary advantages do seed provide over spores? What was early gymnosperm ecology like? What ecological role did gymnosperms perform as the dominant terrestrial plant type 250 million years ago? what were did angiosperms begin to replace gymnosperms as the new dominant plant type in terrestrial ecosystemsarrow_forward
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