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The seed bearing plants

The seed bearing plants

Subphylum spermosida. The seed bearing plants. Life cycle: gymnosperm. The angiosperms. In angiosperms the flowers are the structures that are specialized for sexual reproduction. Flowers in mature sporophytes produce male and female gametophytes. The angiosperms.

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462 views • 40 slides
Vegetative Plant Development

Vegetative Plant Development

Vegetative Plant Development. Chapter 37. Embryo Development. Begins once the egg cell is fertilized -The growing pollen tube enters angiosperm embryo sac and releases two sperm cells -One sperm fertilizes central cell and initiates endosperm development

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Ch. 38 Flowering Plant Reproduction

Ch. 38 Flowering Plant Reproduction

Ch. 38 Flowering Plant Reproduction. I. Alternation of generations A. Dominant sporophyte B. Gametophyte lives on sporophyte , and is actually the flower . 1. Male portion is the stamen - the anther has the pollen

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338 views • 23 slides
Pregnancy

Pregnancy

Pregnancy. For pregnancy to occur these conditions must be met. Semen from the male must enter the vagina of the female (sperm may reach the vagina even if the penis does not enter it) Semen must contain healthy sperm. Sperm must find conditions in the vagina in which they can live.

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218 views • 16 slides
Plant Reproduction

Plant Reproduction

Plant Reproduction. Flowers allow some plants (angiosperms) to reproduce w/out water. Identify the structures in this flower. petal. stigma. pistil. style. anther. stamen. filament. Where is the ovary?. Where are the sepals?. Inside every pollen grain are two sperm cells.

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188 views • 9 slides
What can you see happening?

What can you see happening?

What can you see happening?. Fertilization. New life begins when a sperm fertilizes an egg. This is called fertilisation. This type of reproduction is called sexual reproduction. Describe what happens in fertilisation. Use the terms and pictures to help you. Fertilization.

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177 views • 7 slides

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