Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 32, Problem 13RQ
Which of the following is an advantage of asexual reproduction?
- Cuttings taken from an adult plant show increased resistance to diseases
- Grafted plants can more successfully endure drought
- When cuttings or buds are taken from an adult plant or plant parts, the resulting plant will grow into an adult faster than a seedling
- Asexual reproduction takes advantage of a more diverse gene pool.
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Which of the following is an advantage of asexual reproduction? a. Cuttings taken from an adult plant show increased resistance to diseases. b. Grafted plants can more successfully endure drought. c. When cuttings or buds are taken from an adult plant or plant parts, the resulting plant will grow into an adult faster than a seedling. d. Asexual reproduction takes advantage of a more diverse gene pool.
Why 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 ovule
After pollination and fertilization, as the ovule develops into a seed, the ovary matures into a _________________. Many of these have three parts. The _________________ is the skin or peel. The ________________________ is the flesh, and the innermost layer, the ____________________, may be tough like the pit of a cherry.
Chapter 32 Solutions
Biology 2e
Ch. 32 - Figure 32.3 If the anther is missing, what type of...Ch. 32 - Figure 32.8 An embryo sac is missing the...Ch. 32 - Figure 32.20 What is the function of the...Ch. 32 - In a plant’s male reproductive organs, development...Ch. 32 - The stamen consists of a long stalk called the...Ch. 32 - Theare collectively called the calyx sepals petals...Ch. 32 - The pollen lands on which part of the flower?...Ch. 32 - After double fertilization: a zygote and ______...Ch. 32 - The fertilized ovule gives rise to the fruit seed...Ch. 32 - What is the term for a fruit that develops from...
Ch. 32 - The is the outermost covering of a______ fruit....Ch. 32 - _______ is a useful method of asexual reproduction...Ch. 32 - Which of the following is an advantage of asexual...Ch. 32 - Plants that flower once in their lifetime are...Ch. 32 - Plant species that complete their lifecycle in one...Ch. 32 - Describe the reproductive organs inside a flowerCh. 32 - Describe the two-stage lifecycle of plants: the...Ch. 32 - Describe the four main parts, or whorls, of a...Ch. 32 - Discuss the differences between a complete flower...Ch. 32 - Why do some seeds undergo a period of dormancy,...Ch. 32 - Discuss some ways in which fruit seeds are...Ch. 32 - What are some advantages of asexual reproduction...Ch. 32 - Describe natural and artificial methods of asexual...Ch. 32 - Discuss the life cycles of various plantsCh. 32 - How are plants classified on the basis of...
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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
Figure 26.8 At what stage dees the diploid zygote form? when the female cone begins to bud from the tree at fertilization when the seeds drop from the tree when the pollen tube begins to grow
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True or False
During seed germination, dormancy is the first step until the seeds are sown in a reach environment.
Seeds of a fruit is the embryo in the Plant Kingdom.
Sexual reproduction is the production of embryo while asexual reproduction entails to skip the development of embryo in the process.
Zygote is the product of sexual reproduction that undergo months of development before the mother give birth to a young and alive offspring like humans.
Embryonic development in both plant and animal means to undergo different stages that will give birth to a young and living organism.
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Which of the following terms is not associated with a male portion of a plant?a. megasporeb. antheridiumc. pollen grainsd. microspore
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Which of these pairs is incorrectly matched?a. polar nuclei—plumuleb. egg and sperm—zygotec. ovule—seedd. ovary—fruite. stigma—carpel
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What happens to the female parts of the flower after fertilisation?
The ovules become seeds and the rest becomes the fruit
The ovules become fruit and the rest becomes the seeds
The ovules become seeds and the rest becomes the food store
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Which of the following statements regarding plants is false?a. Meiosis within anthers produces spores that develop intopollen.b. Meiosis within ovules produces spores that develop into anembryo sac.c. The male gametophyte is a pollen grain, and the femalegametophyte is an embryo sac.d. Meiosis directly produces sperm and egg cells in plants
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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 mitosis
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Many plants can be produced as genetically identical clones by asexual reproduction. Although advantageous in some ways, such genetically plants can be a disadvantage when ________.
-a disease is present in the environment
-the environment is stable
-mates are in short supply
-pollinators are absent
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Double fertilization is
a) fertilization of an egg by two sperm.
b) fertilization of two eggs by the same sperm.
C) fertilization of two eggs in the same flower.
d) fertilization of an egg by one sperm and an endosperm-forming cell by another sperm.
e) fertilization of an egg and an endosperm-forming cell by the same sperm.
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Caneberries (raspberries and blackberries) develop from...
1.single flower with many ovaries*
2. multiple flowers each with a single small ovary
3. one flower, with one ovary and many tiny 'fruitlets'
4. one flower with many ovaries that each have many small 'fruitlets'
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In seed-bearing plants, the _______________ develops into the seed following fertilization
The microsporangium.
The sporophyte.
The endosperm.
The ovule.
The pollen grain.
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Define the following asexual reproduction of plants.
1. Budding
2. Fragmentation
3. Vegetation Propagation
4. Spore Formation
Define the following asexual reproduction done by animals.
1. Binary Fussion
2. Budding
3. Fragmentation and Regeneration
4. Parthenogenesis
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