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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.
Asexual Reproduction
 One parent
 Offspring
are identical
to the parents.
One Parent
Identical
Offspring
What are some advantages
and disadvantages of asexual
reproduction?
Asexual Reproduction
 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 the
environment.
 Asexual reproduction occurs with
Mitosis
Asexual Reproduction
 Types of Asexual Reproduction
 Binary Fission – used by
bacteria, an organism
whose cells do not
contain a nucleus copy
then divide into two
identical organisms
 Example: bacteria
Binary Fission
Asexual Reproduction
 Types of Asexual Reproduction
 Budding – organism that produces a bud
that breaks away to live on its own.
 Example: hydra
Budding in hydra
Budding in yeast
Asexual Reproduction
 Types of Asexual Reproduction
 Vegetative Propagation – results in a new
plant that is genetically identical to the
parent plant (a clone).
 Examples: strawberry plant, vegetables,
and crops.
Asexual Reproduction
Types of Asexual Reproduction
Sporulation – organism forms spores as a
means of asexual reproduction
Examples: bread mold, mushrooms
Asexual Reproduction
 Types of Asexual Reproduction
 Regeneration – organism uses cell
division to re-grow body parts.
 Example: starfish, salamander
Salamanders: Salamanders can regenerate legs. When a salamander is in the
larval stage, it can regenerate a limb in thirty to forty days! Adult salamanders
can also regenerate limbs, but it takes much longer and the leg is not as large
as the original one.
Lizards: Lizards have the ability to replace lost limbs or a
lost tail. This is important because when a predator such as
a hawk captures the tail, the lizard can escape. The new
tail lacks the backbone of the original tail.
Crayfish: Cray fish can regrow claws, pinchers, or legs. It
is easy to recognize the regenerated part because it is
smaller than the other parts. Just like the lizard, it can
break off a claw or leg so that it can escape when captured
by a predator.
Fun Fact: The liver is the
only organ in the body that
is able to regenerate.
Sexual Reproduction
 Two parents
 Offspring are
a combination
of both parents
and are
therefore different
from each parent.
unique / diverse offspring
Two
Parents
Hmmm…
What are some advantages and
disadvantages of sexual
reproduction?
Sexual Reproduction
 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.
Sexual Reproduction
 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.
Sexual Reproduction
 Types of Sexual Reproduction.
 Animals – when the reproductive
cells of one
animal fertilize
the reproductive cells of another
animal. This
produces a
baby (embryo).

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Asexual-and-Sexual-Reproduction.huhupptx

  • 1. 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.
  • 2. Asexual Reproduction  One parent  Offspring are identical to the parents. One Parent Identical Offspring
  • 3. What are some advantages and disadvantages of asexual reproduction?
  • 4. Asexual Reproduction  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 the environment.  Asexual reproduction occurs with Mitosis
  • 5. Asexual Reproduction  Types of Asexual Reproduction  Binary Fission – used by bacteria, an organism whose cells do not contain a nucleus copy then divide into two identical organisms  Example: bacteria
  • 6.
  • 8. Asexual Reproduction  Types of Asexual Reproduction  Budding – organism that produces a bud that breaks away to live on its own.  Example: hydra
  • 10.
  • 11. Asexual Reproduction  Types of Asexual Reproduction  Vegetative Propagation – results in a new plant that is genetically identical to the parent plant (a clone).  Examples: strawberry plant, vegetables, and crops.
  • 12.
  • 13.
  • 14.
  • 15. Asexual Reproduction Types of Asexual Reproduction Sporulation – organism forms spores as a means of asexual reproduction Examples: bread mold, mushrooms
  • 16.
  • 17.
  • 18. Asexual Reproduction  Types of Asexual Reproduction  Regeneration – organism uses cell division to re-grow body parts.  Example: starfish, salamander
  • 19.
  • 20.
  • 21. Salamanders: Salamanders can regenerate legs. When a salamander is in the larval stage, it can regenerate a limb in thirty to forty days! Adult salamanders can also regenerate limbs, but it takes much longer and the leg is not as large as the original one.
  • 22. Lizards: Lizards have the ability to replace lost limbs or a lost tail. This is important because when a predator such as a hawk captures the tail, the lizard can escape. The new tail lacks the backbone of the original tail.
  • 23. Crayfish: Cray fish can regrow claws, pinchers, or legs. It is easy to recognize the regenerated part because it is smaller than the other parts. Just like the lizard, it can break off a claw or leg so that it can escape when captured by a predator.
  • 24. Fun Fact: The liver is the only organ in the body that is able to regenerate.
  • 25.
  • 26. Sexual Reproduction  Two parents  Offspring are a combination of both parents and are therefore different from each parent. unique / diverse offspring Two Parents
  • 27. Hmmm… What are some advantages and disadvantages of sexual reproduction?
  • 28. Sexual Reproduction  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.
  • 29. Sexual Reproduction  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.
  • 30. Sexual Reproduction  Types of Sexual Reproduction.  Animals – when the reproductive cells of one animal fertilize the reproductive cells of another animal. This produces a baby (embryo).