Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 26, Problem 17RQ
Abundant and powdery pollen produced by small, indistinct flowers is probably transported by:
- bees and butterflies
- flies
- birds
- wind
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Students have asked these similar questions
Pollen grains are derived from a microsporocyte, developed inside the microsporangia of an anther,
and are supposed to contain 2 sperm cells and a tube nucleus.
O True
False
There are two locations in which the gynoecium interacts chemically with the pollen and pollen tube
and can either allow the pollen tube to grow or prevent it from growing. What are these two
locations?
O Style and megagametophyte
Stigma and ovule
Stigma and style
Stigma and megagametophyte
Style and ovule
What is Pollination ?
germination of pollen grains
growth of pollen tube in ovule
transfer of pollen from anther to stigma
visiting flowers by insects
Chapter 26 Solutions
Biology 2e
Ch. 26 - Figure 26.8 At what stage dees the diploid zygote...Ch. 26 - Figure 26.15 If a flower lacked a megasporangium,...Ch. 26 - Seed plants are. all homosporous mostly...Ch. 26 - Besides the seed, what ether major structure...Ch. 26 - In which of the following geological periods would...Ch. 26 - Which of the following structures widens the...Ch. 26 - Which of the following traits characterizes gym...Ch. 26 - Megasporocytes will eventually produce which of...Ch. 26 - What is the ploidy of the following structures...Ch. 26 - In the northern forests of Siberia, a tall tree is...
Ch. 26 - Which of the following structures in a flower is...Ch. 26 - Pollen grains develop in which structure? the...Ch. 26 - In the course of double fertilization, one sperm...Ch. 26 - Corn develops from a seedling with a single...Ch. 26 - Which of the following plant structures is not a...Ch. 26 - White and sweet-smelling flowers with abundant...Ch. 26 - Abundant and powdery pollen produced by small,...Ch. 26 - Plants are a source of food fuel medicine all of...Ch. 26 - The Triassic Period was marked by the increase in...Ch. 26 - What role did the adaptations of seed and pollen...Ch. 26 - The Mediterranean landscape along the sea shore is...Ch. 26 - What are the four modern-day phyla of gymnosperms?Ch. 26 - Some cycads are considered endangered species and...Ch. 26 - What are the two structures that allow angiosperms...Ch. 26 - Biosynthesis of nectar and nutrient-rich pollen is...Ch. 26 - What is biodiversity and why is it important to an...
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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
- 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_forwardSeeds are mature _______ ; fruits are mature_______ . a. ovaries; ovules c. ovules; ovaries b. ovules; stamens d. stamens; ovariesarrow_forwardWhich of the following is true of pine pollen/pollination? The male gametophyte is the fully developed seed Many pollen grains have "air bladders" Pines are wind pollinated Pollen grains are composed of one cellarrow_forward
- In the Kotukutuku plant, Fuchsia excortiata, why do pollinated flowers remain attached to the plant for several days after pollination occurs and nectar is no longer produced Size of flower and pollination Annual versus perennial reproduction Time and expense to grow the pollen tube outweighs the cost of maintaining the flower on the tree Size of flower and number of flowers on inflorescencearrow_forwardWhich of the following is NOT part of the male reproductive parts of a flower? Anthers Sperm cells Microspores Ovule Pollenarrow_forwardLabel the parts of the flower shown abovearrow_forward
- Describe the functions of each structure within the anther (vascular bundles, parenchyma, pollen sac, anther wall, tapetum, and pollen grains) What is the similarities and differences between the anther and the male cone of the pinearrow_forwardStigma ( the male part) function in receiving pollen grains from different plant :Select one True False أخل اختياريarrow_forwardThe formation of a tough wall of sporopollenin around the male gametophyte leads to the production of what end product? -Ovules -Eggs -Anthers -Stamens -Pollenarrow_forward
- this is a hibiscus flower label the stigma, anther, filament, staminal tube if they are visible, indicate if it is not visible then draw the intact pistil (ovary, style, stigma) please locate the parts on the photo, use arrow to edit the picturearrow_forwardusing 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"arrow_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_forward
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