Topic : Reproduction Aim : Describe the different types of asexual reproduction.
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Topic: Reproduction
Aim: Describe the different types of asexual reproduction.
Do Now: Take out your Repro ISN and the yesterday’s mitosis reading notes.
HW: Meiosis reading notes due tomorrow.
Immune System Castle Learning due Monday
Skeletal, Muscular and immune System Exam on Monday.
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Telophase
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Prophase
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Anaphase
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Interphase
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Interphase
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Metaphase
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Identify the muscle type described.
1. Attached to bones.
2. Involuntary and striated.
3. Lines the digestive tract and blood vessels.
4. Voluntary.
5. Only found in the heart.
6. Not striated and involuntary.
7. Branched fibers.
Skeletal
Cardiac
Smooth
Skeletal
Cardiac
Smooth
Cardiac
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Immune System Review
1.Why is passive immunity temporary?
2.How can you acquire passive immunity to a disease?
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Budding:•UNEQUAL DIVISION of cytoplasm•Hydra, yeast
Regeneration:
a.Ability to REGROW lost body parts
b.New organism from part of the parent
Binary fission:•EQUAL DIVISION of cytoplasm•Ameba, paramecium, bacteria
Sporulation:•Formation of SPORES= cells that divide by mitosis into new organism•Bread mold, mushrooms…
Vegetative propagation:•Asexual repro in PLANTS
•Runners (strawberry patch), bulbs (onions), tubers (potatoes)
Artificial vegetative propagation:•Result of human activities•Cuttings, grafting (seedless oranges)
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Binary Fission
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•EQUAL DIVISION of cytoplasm
•Ameba, paramecium, bacteria
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Budding
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•UNEQUAL division of cytoplasm
•The “bud” has same # of chromosomes
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•Ex: hydra, yeast
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Sporulation
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•Formation of spores = cells that divide by mitosis into new organism
• http://www.youtube.com/watch?v=0imKJ1vnTpk
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•Ex: Bread mold, mushrooms…
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Regeneration
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a. Ability to regrow lost body parts
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b. New organism from part of the parent
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•Ex: starfish, lobsters, lizards
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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.
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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.
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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.
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Vegetative
Propagation
•Asexual rep in plants
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•Types:a. Runners = stems that
grow over surface of soil –Ex: Strawberries
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b. Bulbs = underground stems for food storage –Ex: tulips, onions
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c. Tubers = enlarged part of underground stem that store food –Ex: Potatoes
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Artificial Vegetative Propagation
• Occurs as a result of human activities
• Types:
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•Cuttings = any part from plant that can develop into new plants
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•Grafting = cutting from one plant attached to stem of another plant–Ex: Seedless Oranges
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Let’s review!
1.Identify the type of cell division that is used during asexual reproduction.
2.Explain the difference between binary fission and budding.
3.Describe regeneration and sporulation.
4.Describe vegetative propagation and the different types.
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The type of asexual reproduction in which involves the production of single cells by mitosis that are released into the environment is called
1.regeneration
2.binary fission
3.sporulation
4.vegetative propagation
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The type of asexual reproduction in which one cell divides into to two cells that are of equal size is called
1.regeneration
2.binary fission
3.sporulation
4.vegetative propagation
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Asexual reproduction in plants is known as
1.regeneration
2.vegetative propagation
3.binary fission
4.sporulation
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Asexual reproduction that involves the regrowth of a lost body part is known as
1.regeneration
2.vegetative propagation
3.binary fission
4.sporulation
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Asexual reproduction in which there is an unequal division of cytoplasm is called
1.regeneration
2.budding
3.binary fission
4.sporulation
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Asexual reproduction in plants that occurs as a result human activity is called
1.regeneration
2.artificial vegetative propagation
3.binary fission
4.sporulation
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http://www.youtube.com/watch?v=Hp0IE9uUNAE&feature=related
http://www.youtube.com/watch?v=vNk8GhlBn6I
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Identify the type of asexual reproduction described.
1.An organism grows back a lost body part.
2.Unequal division of cytoplasm.
3.Specialized cells are released and eventually develop into a new organisms that are identical to the parent.
4.Asexual reproduction in plants.
5.Equal division of cytoplasm.
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1. Letter A indicates a (1) Centromere(2) Centriole(3) Ribosome(4) Nucleolus
2. Letter B indicates a (1) Cell plate(2) Chromatid(3) Spindle fiber(4) Centrosome
A
B