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Asexual and Sexual Reproduction Notes, Slides of Biology

Advantages and Disadvantages of Asexual Reproduction. ▫ Advantages – variety and/or diversity of offspring (color, shape, size, intelligence, ability, etc.),.

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2021/2022

Uploaded on 09/12/2022

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Name ____________________________________________________________ Period _______
Asexual Reproduction
Type of reproduction in which a new organism is produced from ONE parent and the offspring is
identical to the parent.
Occurs in most plants, bacteria, protists, and low invertebrates.
One parent
Offspring are identical to the parents.
Advantages and Disadvantages of Asexual Reproduction
Advantages – Identical to parent, so will get all good characteristics.
Disadvantages – Identical to parent, so will also get bad characteristics and is less able to adapt
to environment.
Types of Asexual Reproduction
Regeneration – organism uses cell division to re-grow body parts.
Example: starfish, salamander
Vegetative Propagation – results in a new plant that is genetically identical to the parent plant (a
clone).
Examples: strawberry plant, vegetables, and crops.
Budding – organism that produces a bud that breaks away to live on its own.
Example: hydra
Asexual and Sexual Reproduction Notes
7th Grade Science
Unit 6
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Name ____________________________________________________________ Period _______

Asexual Reproduction  Type of reproduction in which a new organism is produced from ONE parent and the offspring is identical to the parent.  Occurs in most plants, bacteria, protists, and low invertebrates.  One parent  Offspring are identical to the parents.

Advantages and Disadvantages of Asexual Reproduction  Advantages – Identical to parent, so will get all good characteristics.  Disadvantages – Identical to parent, so will also get bad characteristics and is less able to adapt to environment.

Types of Asexual Reproduction  Regeneration – organism uses cell division to re-grow body parts.  Example: starfish, salamander

 Vegetative Propagation – results in a new plant that is genetically identical to the parent plant (a clone).  Examples: strawberry plant, vegetables, and crops.

 Budding – organism that produces a bud that breaks away to live on its own.  Example: hydra

Asexual and Sexual Reproduction Notes

7 th^ Grade Science Unit 6

 Binary Fission – used by bacteria, an organism whose cells do not contain a nucleus copy then divide into two identical organisms  Example: bacteria

Sexual Reproduction  Two parents  Offspring are a combination of both parents and are therefore different from each parent.

Advantages and Disadvantages of Asexual Reproduction  Advantages – variety and/or diversity of offspring (color, shape, size, intelligence, ability, etc.), More able to adapt to environmental changes.  Disadvantages – uniqueness, sometimes traits needed for survival are not passed on.

Types of Sexual Reproduction  Plants – when the reproductive cells of one plant fertilize (pollinate) the reproductive cells of another plant. This produces seeds that can grow into a new plant.

 Animals – when the reproductive cells of one animal fertilize the reproductive cells of another animal. This produces a baby (embryo).