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Questions and Answers
Which method of reproduction produces genetically diverse individuals?
Which method of reproduction produces genetically diverse individuals?
- Internal fertilization
- Sexual reproduction (correct)
- External fertilization
- Asexual reproduction
What is the defining characteristic of living things?
What is the defining characteristic of living things?
- Reproduction (correct)
- Metabolism
- Response to stimuli
- Growth
What type of reproduction involves a single parent and produces a clone?
What type of reproduction involves a single parent and produces a clone?
- External fertilization
- Sexual reproduction
- Internal fertilization
- Asexual reproduction (correct)
Which cells fuse during sexual reproduction?
Which cells fuse during sexual reproduction?
In which environment does external fertilization usually occur?
In which environment does external fertilization usually occur?
What is the process by which organisms give rise to offspring called?
What is the process by which organisms give rise to offspring called?
What is external fertilization?
What is external fertilization?
Which method is associated with oviparity?
Which method is associated with oviparity?
What occurs in ovo-viviparity?
What occurs in ovo-viviparity?
What is hermaphroditism?
What is hermaphroditism?
What is genetic engineering?
What is genetic engineering?
In which reproductive method do young develop within the female and are born alive?
In which reproductive method do young develop within the female and are born alive?
Which animals commonly use hermaphroditism for reproduction?
Which animals commonly use hermaphroditism for reproduction?
What is a characteristic of external fertilization?
What is a characteristic of external fertilization?
Which method involves self-fertilization in animals with limited mobility?
Which method involves self-fertilization in animals with limited mobility?
Which type of fertilization involves fertilizing an egg by a sperm inside the body of the female?
Which type of fertilization involves fertilizing an egg by a sperm inside the body of the female?
What is the defining characteristic of sexual reproduction in animals?
What is the defining characteristic of sexual reproduction in animals?
Which method of reproduction involves the creation of a new organism by combining the genetic material of two organisms?
Which method of reproduction involves the creation of a new organism by combining the genetic material of two organisms?
What is the most primitive method of reproduction that involves a single parent?
What is the most primitive method of reproduction that involves a single parent?
In which type of fertilization does the sperm usually come from the male parent and the egg from the female parent?
In which type of fertilization does the sperm usually come from the male parent and the egg from the female parent?
What occurs in external fertilization?
What occurs in external fertilization?
What is the defining characteristic of ovoviviparity?
What is the defining characteristic of ovoviviparity?
Which animals commonly exhibit hermaphroditism?
Which animals commonly exhibit hermaphroditism?
What is the primary advantage of internal fertilization over external fertilization?
What is the primary advantage of internal fertilization over external fertilization?
What is a characteristic feature of genetic engineering?
What is a characteristic feature of genetic engineering?
In which type of fertilization do males release sperm and females release eggs in the same area at the same time?
In which type of fertilization do males release sperm and females release eggs in the same area at the same time?
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Study Notes
Reproductive Methods and Diversity
- Sexual reproduction produces genetically diverse individuals through the combination of genetic material from two parents.
- Asexual reproduction involves a single parent and creates a clone, resulting in genetically identical offspring.
- Internal fertilization occurs inside the female's body, allowing for development of young that are born alive.
- External fertilization typically takes place in aquatic environments, where eggs and sperm are released into the water.
Defining Characteristics of Living Things
- A defining characteristic of living organisms is their ability to reproduce and give rise to offspring.
Reproductive Processes
- The process by which organisms produce offspring is called reproduction.
- Oviparity is associated with laying eggs outside the body.
- Ovo-viviparity involves eggs that hatch inside the female's body, leading to live births.
- Hermaphroditism is a reproductive strategy where an organism has both male and female reproductive structures.
Genetic Concepts
- Genetic engineering refers to the direct manipulation of an organism's genes for desirable traits.
- External fertilization is characterized by the release of sperm and eggs into the environment, allowing fertilization to occur outside the body.
Specific Reproductive Methods
- Self-fertilization is a method used by animals with limited mobility, allowing them to reproduce without a mate.
- In internal fertilization, the male typically fertilizes the egg from the female within her body.
- A primitive method of reproduction involving a single parent is asexual reproduction.
- In external fertilization, males and females release their gametes simultaneously into the same area.
Advantages and Features
- An advantage of internal fertilization over external is increased protection for developing offspring.
- A characteristic feature of genetic engineering includes the ability to introduce specific traits or characteristics into an organism.
Organism Examples
- Animals that commonly exhibit hermaphroditism include some mollusks and earthworms.
- Species utilizing ovoviviparity include certain types of sharks and reptiles.
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