Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 29, Problem 5SQ
Meiosis of cells in pollen sacs forms haploid _________.
- a. megaspores
- b. microspores
- c. stamens
- d. spomphytes
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Chapter 29 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Whos the Pollinator? Massonia depressa is a...Ch. 29 - Prob. 4DAACh. 29 - The arrival of pollen grains on a receptive stigma...Ch. 29 - An animal pollinator may be rewarded by _______...Ch. 29 - Prob. 3SQCh. 29 - In flowrers, the structures that produce male...Ch. 29 - Meiosis of cells in pollen sacs forms haploid...Ch. 29 - Prob. 6SQ
Ch. 29 - Choose the statement that is true. a. All flowers...Ch. 29 - The seed coat forms from the __________. a....Ch. 29 - Seeds are mature ______; fruits are mature...Ch. 29 - Jessica is preparing a plate of fruits for a party...Ch. 29 - Cotyledons develop as pan of ________. a. carpels...Ch. 29 - Exposure to _______ can trigger seed germination....Ch. 29 - Prob. 13SQCh. 29 - Match the terms with the most suitable...Ch. 29 - Prob. 15SQCh. 29 - Prob. 1CTCh. 29 - All but one species of large birds native to New...Ch. 29 - Is the seedling shown on the right a monocot or...
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- A seed is a(n)_______ . a. female gametophyte c. mature pollen tube b. mature ovule d. immature microsporearrow_forwardThe fertilized ovule gives rise to the ________. a. fruit b. seed c. endosperm d. embryoarrow_forwardFigure 14.19 At what stage does the diploid zygote form? a. When the female cone begins to bud from the tree b. When the sperm nucleus and the egg nucleus fuse c. When the seeds drop from the tree d. When the pollen tube begins to growarrow_forward
- буmnosperms Type of spore formed by heterosporous species which give rise to female gametophytes. A. Hetrospores B. Mergasporngiav C. Homospores D. Megasporesarrow_forwardThe arrival of pollen grains on a receptive stigma is called_____ . a. germination c. pollination b. fertilization d. propagationarrow_forward1. Ovary will become the _____. A.seed coat B.fleshy fruit that can be eaten C.whole seed D.endosperm of the seed E.plant embryo 2. If the testes fail to descend, a male is infertile because sperm cell formation is prevented by _____. A.excessive production of estrogen B.none of the choices C.all of the choices D.lack of testosterone E.relatively high internal body temperature 3. An egg develops to an amphibian without being fertilized by an egg. A.Isogamy B.Sporulation C.Parthenogenesis D.Asexual Reproduction E.Sexual Reproductionarrow_forward
- Double fertilization results in __________________________. a. a diploid zygote and triploid endosperm in each seed b. a spare sperm nucleus c. two diploid zygotes in every seed d. none of these answers is correct e. three diploid zygotes; one of the three will form will develop into a sporophyte embryo in a seed, one will die and the third will migrate out of the megasporangium and form a separate male plantarrow_forwardThe small opening in the integument(s) of the angiosperm egg sac through which the pollen tube enters is known as the _________. Select one: a. Microtubule b. Megapyle c. Venter d. Neck-ring cells e. Micropyle f. none of these choicesarrow_forwardThe stamen consists of a long stalk called the filament that supports the ________. a. stigma b. sepal c. style d. antherarrow_forward
- Domesticated banana plants produce seedless fruit because they are______ . a. triploid d. propagated by grafting b. monocots e. treated with colchicine c. endangered f. infected with Phylloxeraarrow_forwardA yellow dust appears on the fingers, whenever we touch the middle of a flower. These tiny yellow grains are one of the most precious substances in nature because they contain the secret of plant life. What is this dust called? A. Pollen B. Sperm C. Spore D. Sporocystarrow_forwardIn an alternation of generations life cycle, spores developinto____________ that produce gametes that fuse to giverise to__________ .a. haploid gametophytes; diploid sporophytesb. diploid gametophytes; haploid sporophytesc. haploid sporophytes; diploid gametophytesd. diploid sporophytes; haploid gametophytesarrow_forward
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