Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 45, Problem 4MC
Which of the following is True?
a. Moth-pollinated flowers are usually white.
b. Flowers always benefit their pollinators.
c. Flowers pollinated by beetles are generally sweet-smelling.
d. Some flowers guide bees to their centers with patterns visible under infrared light.
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Students have asked these similar questions
Which of the following is True?a. Ethylene stimulates abscission layers to form.b. Abscisic acid causes abscission layers to form.c. Ethylene is sometimes sprayed on flowers to keep them fresh.d. Abscisic acid stimulates seed germination.
Pin and thrum flowers are designed to:
O a.
Prevent the flowen being fertilised by its own pollen.
O b. Increase the amount of pollen that the flower collects.
C.
Allow the flower to last for a longer period of time.
d. Restrict pollinators to just one type of insect.
Oe.
Make the flovwer more attractive to a pollinator.
O O O OO
What is the relationship between pollination and fertilization in flowering plants?
Select one:
a. Fertilization precedes pollinations.
b. If fertilization occurs, pollination would be unnecessary.
c. Pollination brings gametophytes together so that fertilization can occur.
d. Pollination easily occurs between plants of different species.
Chapter 45 Solutions
Biology
Ch. 45.1 - Prob. 1CYLCh. 45.1 - diagram the life cycles of ferns and flowering...Ch. 45.2 - Prob. 1CSCCh. 45.2 - Prob. 1TCCh. 45.2 - Prob. 2TCCh. 45.2 - diagram the structure of a complete flower and...Ch. 45.2 - Prob. 2CYLCh. 45.2 - explain the processes of pollination and double...Ch. 45.3 - Prob. 1HYEWCh. 45.3 - explain how the parts of a flower develop into the...
Ch. 45.3 - describe the differences between monocot and dicot...Ch. 45.4 - The warmth of hot flowers attracts pollinators and...Ch. 45.4 - explain why many seeds undergo dormancy before...Ch. 45.4 - Prob. 2CYLCh. 45.5 - Prob. 1TCCh. 45.5 - Prob. 2TCCh. 45.5 - Prob. 1CYLCh. 45.6 - Prob. 1CSCCh. 45.6 - Prob. 1TCCh. 45.6 - Prob. 1CYLCh. 45.6 - describe how fruit structures aid in seed...Ch. 45.6 - Heat-producing flowers are rare, and many are...Ch. 45 - Prob. 1MCCh. 45 - Prob. 2MCCh. 45 - Prob. 3MCCh. 45 - Which of the following is True? a. Moth-pollinated...Ch. 45 - Prob. 5MCCh. 45 - Prob. 1FIBCh. 45 - In a flowering plant, the male gametophyte is the...Ch. 45 - Prob. 3FIBCh. 45 - Prob. 4FIBCh. 45 - Prob. 5FIBCh. 45 - Diagram the general plant life cycle. Which stages...Ch. 45 - Prob. 2RQCh. 45 - Prob. 3RQCh. 45 - Prob. 4RQCh. 45 - Prob. 5RQCh. 45 - Describe the characteristics you would expect to...Ch. 45 - Prob. 7RQCh. 45 - Describe three mechanisms whereby seed dormancy is...Ch. 45 - Prob. 9RQCh. 45 - Describe three types of fruits and the mechanisms...Ch. 45 - Prob. 1ACCh. 45 - Prob. 2AC
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- Refer to the figure. a. What gene mutation(s) will result in the loss of production of the sepals? b. What gene mutation(s) will result in the loss of production of the petals? c. What gene mutation(s) will result in the loss of production of the stamens? d. What gene mutation(s) will result in the loss of production of the carpels?arrow_forwardUnder which of the following conditions would pollen from an S2S5 plant successfully pollinate an S1S5 flower? a. Using pollen from a carpelate flower to fertilize a staminate flower would be successful. b. If the plants used gametophytic self-incompatibility, half of the pollen would be successful. c. If the plants used sporophytic self-incompatibility, half of the pollen would be successful. d. Pollen from an S2S5 plant can never pollinate an S1S5 flower.arrow_forwardOne of the differences in the seedling groups is A. after 12 hours moderate light plants have a greater chlorophyll content than the low light plants. B. after 8 hours moderate light plants have a greater chlorophyll content than the low light plants. C. after 5 hours moderate light plants have a greater chlorophyll content than the low light plants. D. after 3 hours moderate light plants have a greater chlorophyll content than the low light plants.arrow_forward
- Which of the following is NOT a component of a flower? a. Sepal c. Carpel b. Stamen c. Carpel d. Bractarrow_forwardWhich statement about wind-pollinated plants is correct? Their stamens and stigmas are inside the flower and, compared to insect-pollinated plants, they have large petals Their stamens and stigmas are outside the flower and, compared to insect-pollinated plants, they have small petals Their stamens and stigmas are outside the flower and, compared to insect-pollinated plants, they have large petalsarrow_forwardGive examples for each type of the following1. Complete and incomplete flowers2. Perfect and imperfect flowers3. Regular and irregular flowers4. Explain pollination processarrow_forward
- Which of the following statements is false?a. Auxin and gibberellin promote stem elongation.b. Cytokinin triggers growth of lateral buds.c. Abscisic acid promotes water loss and dormancy.d. Ethylene promotes fruit ripening and abscissionarrow_forwardThe pollen lands on which part of the flower? a. stigma b. style c. ovule d. integumentarrow_forwardDescribe the characteristics you would expect to find in flowers that are pollinated by the wind, beetles, bees, and hummingbirds, respectively.arrow_forward
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