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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Chapter 31, Problem 8TY
Summary Introduction
Introduction:
Ovary in flowers is the enlarged basal portion of the female organ that is pistil. The ovules are the egg cells or the female gametes present in the ovary that become seed in the case of gymnosperms and in the case of
The pollen tube is a part of pollen grain that acts as a passage between male gametes sperms and female gametes ovules for fertilization.
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Which pairing below can be distinguished by the following description: "fruit formed from a single
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O achene versus a samara
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O pome versus a pep0
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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"
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
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O Style and megagametophyte
Stigma and ovule
Stigma and style
Stigma and megagametophyte
Style and ovule
Chapter 31 Solutions
Principles of Biology
Ch. 31.1 - Prob. 1BCCh. 31.1 - What advantages do flowering plants obtain by...Ch. 31.1 - Prob. 2CCCh. 31.1 - Prob. 3CCCh. 31.1 - Prob. 1TYKCh. 31.1 - What is a unique combination of reproductive...Ch. 31.2 - What inference can you draw from the observation...Ch. 31.2 - Prob. 1TYKCh. 31.3 - Prob. 1CCCh. 31.3 - Prob. 2CC
Ch. 31.3 - Prob. 1BCCh. 31.3 - Prob. 1TYKCh. 31.4 - Prob. 1CCCh. 31.4 - Prob. 1TYKCh. 31.5 - Prob. 1TYKCh. 31 - Where do the pollen grams of flowering plants...Ch. 31 - Prob. 2TYCh. 31 - Where would you find female gametophytes of a...Ch. 31 - Prob. 4TYCh. 31 - Prob. 5TYCh. 31 - Prob. 6TYCh. 31 - Prob. 7TYCh. 31 - Prob. 8TYCh. 31 - Prob. 9TYCh. 31 - Why are pollen grain walls composed of...Ch. 31 - Prob. 2CCQCh. 31 - Prob. 3CCQCh. 31 - Prob. 1CBQ
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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_forwardPine pollen grains have air bladders (wings) whereas flowering plant pollen grains do not. The reason for this is; Flowering plant pollen grains are not multicellular like pine pollen grains Pines are wind pollinated The wings on pine pollen grains are needed to form the pollen tube The wings on pine pollen grains are needed to form the sperm nucleusarrow_forwardWhy is fertilization in flowering plants called double fertilization? two cells in the ovule are fertilized, the egg and the endosperm mother cell it takes the efforts of two flowers (male and female) to produce seeds two ovules must be fertilized to form a single seed one pollen grain fertilizes two ovules it takes two pollen grains to fertilize a single ovulearrow_forward
- Below are photos of an conifer immature ovulate cones (I.s.) at and 40x. Make a sketch of the 10x slide and label the following structures: ovuliferous scale, sterile bract, micropyle, megasporangium, megaspore mother celli (Note: do you see the pollen grain situated in the micropyle of a scale?)arrow_forwardStigma ( the male part) function in receiving pollen grains from different plant :Select one True False أخل اختياريarrow_forwardOne of the following is NOT related to female parts of the flower: * O pistil O stigma O calyx O carpel ) ovaryarrow_forward
- Which of the following is mismatched? anther - female stigma - female pollen - male ovule - female stamen - malearrow_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_forwardIn regards to the life cycle of the flowering plants, one place meiosis takes place is; In the fully developed pollen grain In the growing seed In the calyx In the ovulearrow_forward
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Plant Reproduction in Angiosperms; Author: Amoeba Sisters;https://www.youtube.com/watch?v=HLYPm2idSTE;License: Standard YouTube License, CC-BY