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Questions and Answers
Which mode of asexual reproduction involves the splitting of the parent organism into two or more parts, each of which can grow into a new organism?
Which mode of asexual reproduction involves the splitting of the parent organism into two or more parts, each of which can grow into a new organism?
- Internal Fertilization
- Oviparous
- Fragmentation (correct)
- External Fertilization
What is the advantage of sexual reproduction in terms of genetic diversity within a species?
What is the advantage of sexual reproduction in terms of genetic diversity within a species?
- Produces direct copies (clones)
- Rapid multiplication and growth
- Creates unique gene combinations leading to variation (correct)
- Limited variation
In which mode of reproduction do offspring arise from a single parent and are genetically identical to each other?
In which mode of reproduction do offspring arise from a single parent and are genetically identical to each other?
- Self-Fertilization
- Viviparous
- Asexual Reproduction (correct)
- Ovoviviparous
Which type of reproductive strategy involves the zygote developing outside the body?
Which type of reproductive strategy involves the zygote developing outside the body?
What is the mode of asexual reproduction where the new offspring are produced by the body dividing into two unequal parts?
What is the mode of asexual reproduction where the new offspring are produced by the body dividing into two unequal parts?
Which advantage of sexual reproduction is related to the natural ability to resist diseases?
Which advantage of sexual reproduction is related to the natural ability to resist diseases?
What is a key advantage of asexual reproduction via fragmentation?
What is a key advantage of asexual reproduction via fragmentation?
In asexual reproduction, what is a specific advantage of producing identical daughter cells?
In asexual reproduction, what is a specific advantage of producing identical daughter cells?
Which mode of asexual reproduction involves an organism breaking down into several fragments?
Which mode of asexual reproduction involves an organism breaking down into several fragments?
What is the primary advantage of multiple fission in asexual reproduction?
What is the primary advantage of multiple fission in asexual reproduction?
Which mode of asexual reproduction involves the development of buds on the body?
Which mode of asexual reproduction involves the development of buds on the body?
How does fragmentation contribute to the reproductive success of certain organisms?
How does fragmentation contribute to the reproductive success of certain organisms?
What is the main efficiency advantage of asexual reproduction?
What is the main efficiency advantage of asexual reproduction?
Which statement accurately describes the cloning advantage in asexual reproduction?
Which statement accurately describes the cloning advantage in asexual reproduction?
Which mode of asexual reproduction involves the division of a parent cell into two or more cells?
Which mode of asexual reproduction involves the division of a parent cell into two or more cells?
What is the primary disadvantage associated with the lack of genetic diversity in asexual reproduction?
What is the primary disadvantage associated with the lack of genetic diversity in asexual reproduction?
Which type of fission involves the division of the parent cell into two equal halves called daughter cells?
Which type of fission involves the division of the parent cell into two equal halves called daughter cells?
What is the primary advantage of sexual reproduction in terms of evolutionary advancements?
What is the primary advantage of sexual reproduction in terms of evolutionary advancements?
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Study Notes
Modes of Asexual Reproduction
- Asexual reproduction involves a single parent, with offspring identical to each other and the parent.
- Types of asexual reproduction:
- Binary Fission: parent cell divides into two equal daughter cells (e.g., amoeba, bacteria, euglena)
- Multiple Fission: organism divides into numerous daughter cells (e.g., sporozoans, algae)
- Fragmentation: organism breaks down into fragments, each developing into a new individual (e.g., plants, fungi, sea stars, annelid worms)
- Regeneration: organism develops lost or damaged body parts (e.g., lizard growing a new tail)
- Budding: organism develops buds that mature into new individuals (e.g., hydra)
- Vegetative Propagation: plants reproduce from stems, roots, and leaves (e.g., onion bulbs, potato tubers, runners/stolon)
Female Reproductive System
- Clitoris: highly sensitive organ located at the top of the vulva, playing a crucial role in sexual arousal and pleasure
- Vagina: muscular tube connecting the vulva to the cervix, serving as the birth canal and passage for menstrual blood
Modes of Sexual Reproduction
- Internal Fertilization
- External Fertilization
- Oviparous (laying eggs)
- Viviparous (giving birth to live young)
- Ovoviviparous (producing eggs that hatch inside the mother's body)
- Self-Fertilization
Advantages and Disadvantages of Asexual and Sexual Reproduction
Asexual Reproduction
- Advantages:
- Efficient in terms of time and energy
- Cloning allows for exact copies of the parent
- Disadvantages:
- Lack of genetic diversity limits adaptability
- Overreliance on clones may lead to vulnerability
Sexual Reproduction
- Advantages:
- Creates genetic diversity within a species
- Greater genetic diversity leads to natural disease resistance
- Genetic variation can lead to evolutionary advancements
- Linked to better health in humans
- Disadvantages:
- Genetic diversity may lead to uncertain outcomes
- Increased risk of disease due to reduced genetic diversity
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