CAMPBELL BIOLOGY-MASTERING BIO.ACCESS
12th Edition
ISBN: 9780136486787
Author: Urry
Publisher: SAVVAS L
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Chapter 30, Problem 3TYU
Summary Introduction
Introduction:
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using the illustrations above arrange the following statements to explain the process of pollen formation in angiosperms "using the illustrations above, arrange the following statements to explain the process of pollen formation in angiosperms"
In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg?
ovary → style → stigma
stigma → style → ovary
ovary→ stigma→ style
stigma→ ovary → style
The best answer describing angiosperm fertilization is:
O a single sperm fertilizes an egg
a single sperm fertilizes the antipodal cells
O a single sperm fuses with the two polar nuclei
one sperm fertilizes the egg, one fuses with the two polar nuclei to create 3N tissue
one sperm fertilizes the egg, one fuses with the antipodal cells to create 3N tissue
Chapter 30 Solutions
CAMPBELL BIOLOGY-MASTERING BIO.ACCESS
Ch. 30.1 - What features not present in seedless plants have...Ch. 30.1 - Prob. 2CCCh. 30.1 - WHAT IF? If a seed could not enter dormancy, how...Ch. 30.2 - Use examples from Figure 30.7 to describe how...Ch. 30.2 - Explain how the pine life cycle in Figure 30.4...Ch. 30.2 - Prob. 3CCCh. 30.3 - It is said that an oak is an acorns way of making...Ch. 30.3 - Compare and contrast a pine cone and a flower in...Ch. 30.3 - WHAT IF? Do speciation rates in closely related...Ch. 30.4 - Explain why plant diversity can be considered a...
Ch. 30.4 - Prob. 2CCCh. 30 - Describe how the parts of an ovule (integument....Ch. 30 - Although there are fewer Ihan 1,000 spedes of...Ch. 30 - Explain why Darwin called the origin of...Ch. 30 - Prob. 30.4CRCh. 30 - Where in an angiosperm would you find a...Ch. 30 - Prob. 2TYUCh. 30 - Prob. 3TYUCh. 30 - Which of thc following is not a characteristic...Ch. 30 - Gymnosperms and angiosperms liave tlie following...Ch. 30 - DRAW IT Use the letters a-d to label where on the...Ch. 30 - EVOLUTION CONNECTION The history of life has been...Ch. 30 - Prob. 8TYUCh. 30 - WRITE ABOUT A THEME: ORGANIZATION Cells arc the...Ch. 30 - Prob. 10TYU
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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_forwardWhich of the following is correct regarding female gametophyte development in Angiosperms? The female gametophyte develops in the anther The female gametophyte develops in an ovule within an ovary A female gametophyte develops from all four megaspores produced via meiosis All cells of the female gametophyte are haploidarrow_forwardIn the mature angiosperm seed, the nutritive tissue is triploid. This tissue is formed from; Two polar nucleii fusing with a sperm cell The synergids fusing with a sperm cell The sperm fusing with the egg cell The embryoarrow_forward
- Which statement below is correct regarding the formation of the endosperm in angiosperms? O the endosperm is formed from the female gametophyte and is haploid O a single sperm nucleus fertilizes the egg nucleus to become the diploid zygote O a sperm nucleus forms both the zygote and the endosperm through double fertilization O a second sperm nucleus fuses with the two polar nuclei of the egg sac МacВook Pro G Search or type URL @ 2# $ & * 2 3 4 6 8 W E R Yarrow_forwardWhich of the following is NOT a characteristic of the gametophyte stage of the flowering plant? -The gametophyte is diploid -Male and female gametophytes are separate from one another -The gametophyte is haploid -The gametophyte is dependent on the sporophyte for a specific amount of time -The gametophyte is a gamete producing structurearrow_forwardGymnosperms are heterosporous plants. This means that; They reproduce by using one type of spore Their spores are covered with sporopollenin They produce separate male and female sporesarrow_forward
- Which of the following sex and generation combinations directly produces the fruit of angiosperms? O female gametophyte O male gametophyte O female sporophyte O male sporophyte MacBook Pro Search or type URL %23 $ & * 3 4 5 E R Y G H K * 00 トarrow_forwardDouble fertilization in flowering plants occurs by two sperms that fertilize: * 1p O polar nuclei and egg cell. egg cell and synergid cell none is correct two egg cells. egg cell and endosperm. rotic cells it consists ofarrow_forwardWhich of the following traits are unique to Angiosperms? Heterosporous Pollen tube growth Dominant sporophyte Triploid tissue present in the seedsarrow_forward
- Which of the following processes occurs in a plant's sexual life cycle? sporophytes produce gametes by meiosis sporophytes produce gametes by mitosis gametophytes produce gametes by meiosis gametophytes produce gametes by mitosisarrow_forwardSporangia produce gametes via meiosis produce spores via meiosis produce gametes via mitosis Selected produce spores via mitosisarrow_forwardWhat advantages do seeds have over spores? Choose All That Apply seeds are multicellular and spores are single cells spores have more resistant layers than seeds do O seeds contain nutritive materials and spores do not seeds are haploid and spores are diploid so mutations are eliminated in seedsarrow_forward
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