do now – 5-04-10 draw a venn diagram and compare a plant and animal cell

Do now – 5-04-10Do now – 5-04-10Draw a Venn diagram and compare a Draw a Venn diagram and compare a

plant and animal cell.plant and animal cell.

Plant cell vs. Animal cellPlant cell vs. Animal cell

Plant cell Animal cell

Types of ReproductionTypes of Reproduction

1. Asexual1. Asexual – there is only – there is only oneone parent. parent. The offspring The offspring is genetically alike the is genetically alike the parent.parent.

Different types of Different types of Asexual ReproductionAsexual Reproduction..

1. Binary fission1. Binary fission – – a a parentparent cell splits in half cell splits in half and produces two new and produces two new cells. cells.

A Paramecium splitting into two.

2 daughter cells

2. Budding2. Budding – an organism grows a bulge, – an organism grows a bulge, which eventually breaks off the parent cell.which eventually breaks off the parent cell.

A potato is a good A potato is a good example.example.

Budding of a hydraBudding of a hydra

3. Vegetative Propagation – 3. Vegetative Propagation – cutting or cutting or growing a new plant from a piece of a plant.growing a new plant from a piece of a plant.

Cut a part of a plant Cut a part of a plant and put it in water, and put it in water, roots will start to roots will start to appear and grow into appear and grow into a new plant.a new plant.

4. Regeneration4. Regeneration – allows an organism to – allows an organism to grow back parts that may become grow back parts that may become

missing or worn away.missing or worn away.

Make a chart similar to the one below. Use Make a chart similar to the one below. Use gateway p. 190-192 to answergateway p. 190-192 to answer

Do now – 5-05-10Do now – 5-05-10

1. The picture shows an example of what type of 1. The picture shows an example of what type of asexual reproduction?asexual reproduction?

A. RegenerationA. Regeneration B. Binary fissionB. Binary fission C. Vegetative propagationC. Vegetative propagation D. BuddingD. Budding

2. This is an example of ______, asexual 2. This is an example of ______, asexual reproduction.reproduction.

A. RegenerationA. Regeneration B. Binary fissionB. Binary fission C. Vegetative propagationC. Vegetative propagation D. BuddingD. Budding

3. The diagram is another example of 3. The diagram is another example of what type of asexual reproduction?what type of asexual reproduction?

A. RegenerationA. Regeneration B. Binary fissionB. Binary fission C. Vegetative propagationC. Vegetative propagation D. BuddingD. Budding

4. An amoeba splitting into two daughter cells is 4. An amoeba splitting into two daughter cells is an example of ______, asexual reproduction.an example of ______, asexual reproduction.

A. RegenerationA. Regeneration B. Binary fissionB. Binary fission C. Vegetative propagationC. Vegetative propagation D. BuddingD. Budding

Sexual ReproductionSexual Reproduction -- involves 2 involves 2 parents who combine their genetic material to parents who combine their genetic material to produce a new organism. This involved a male produce a new organism. This involved a male

sperm cellsperm cell joining a female joining a female egg egg cell.cell.

Parts of a flowerParts of a flower

Flower’s male part that produces pollen that contains sperm.

Green leaf-like partsThat cover and protectThe flower bud.

Flowers female Part at the lowerPart is the ovaryThat contains eggsor ovules

Colored parts of the flower That help protect the inner parts of the flower bud and attract insects.

The female parts of the Flower are:The female parts of the Flower are:

1. Pistil1. Pistil 2. ovary 2. ovary 3. ovule3. ovule The male parts of the flower are:The male parts of the flower are: 1. stamen1. stamen 2. pollen2. pollen 3. sperm3. sperm

Pollination- the transfer of pollen Pollination- the transfer of pollen from the stamen to the pistil.from the stamen to the pistil.

Insects and wind help Insects and wind help pollination to occur pollination to occur and fertilization and fertilization occurs when the occurs when the pollen joins with the pollen joins with the egg cell. After egg cell. After fertilization, the flower fertilization, the flower can from seeds, can from seeds, which grow into new which grow into new plants.plants.