Term
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Definition
| Embryo packaged with a supply of nutrients inside a protective coat. |
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Term
| Is water required for fertilization in seed plants? |
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Definition
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| Why is water not required for fertilization inside seed plants? |
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Definition
| They have non-motile sperm. |
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Term
| What is the dominant form in seed plants? |
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Definition
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Term
| What is the gametophyte form like in seed plants in term of size? |
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Definition
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Term
| What are the groups of seed plants? |
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Definition
| Angiosperms and gymnosperms |
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Term
| Where is the seed in gymnosperms? |
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Definition
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Term
| What are examples of phyla within gymnosperms? |
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Definition
| Ginkophyta and Coniferophyta |
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Term
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Definition
| When vascular plants (mostly seedless plants) produce one kind of spore that germinates into bisexual gametophyte. |
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Term
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Definition
| When vascular plants (mostly seed plants) form two types of gametophyte spores that germinate into the male and female gametophyte. |
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Term
| Most seedless plants are ________________ and most seed plants are _________________. |
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Definition
| Most seedless plants are homosporous and most seed plants are heterosporous. |
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Term
| True or false: the gametophyte in seed plants leave the ovule. |
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Definition
| False: the gametophyte in seed plants remains in the ovule. |
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Term
| For seed plants, where does the sperm come from? |
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Definition
| the gametophyte in the pollen grain |
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Term
| What produces the male gametophyte for seed plants? |
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Definition
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Term
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Definition
| The spore that germinates into the male gametophyte in seed plants. |
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Term
| How may the sperm in seed plants be described? |
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Definition
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Term
| What is implied by sperm that lack flagella? |
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Definition
| The sperm do not need to swim through a water film to fertilize the egg. |
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Term
| What are the steps in fertilization for seed plants? |
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Definition
| Pollen grain enters the ovule, pollen germinates into pollen tube, the sperm fuses with the egg, and ovule forms the seed. |
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Term
| What is the most diverse phylum of plant phyla? |
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Definition
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Term
| Where is the seed in angiosperms? |
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Definition
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Term
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Definition
| modified leaves surrounding the flower. |
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Definition
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Definition
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Term
| What parts compose the stamen? |
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Definition
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Term
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Definition
| Site of pollen production |
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Definition
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Definition
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| What parts compose the carpel? |
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Definition
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Definition
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Definition
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Definition
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Definition
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Term
| What is the gametophyte composed of in angiosperms? |
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Definition
| one tube cell and 1 generative cell. |
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Term
| What does the tube cell do? |
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Definition
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Term
| Where is the gametophyte in angiosperms? |
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Definition
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Term
| What does the generative cell do? |
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Definition
| divides into 2 sperm cells. |
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Term
| What is special about fertilization in angiosperms? |
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Definition
| It is double fertilization. |
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Term
| What happens in double fertilization? |
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Definition
- One sperm cell fuses with egg
- One sperm cell fuses with two nuclei |
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Term
| When a sperm cell fuses with two nuclei in double fertilization, what forms? |
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Definition
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Term
| What does the 3n endosperm do? |
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Definition
| Provide nourishment for embryo in the seed. |
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Term
| Fruits may be described as... |
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Definition
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Term
| Examples of fleshy fruits includes |
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Definition
| Tomatoes, grapes, squash and apples. |
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Term
| Examples of dry fruits includes |
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Definition
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Term
| What is the advantage of having the seed within the fruit? |
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Definition
| Organisms ingest the fruit, and the seeds pass through the feces to land somewhere. |
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Definition
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Term
| The classifications of plants by means of their cotyledon are... |
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Definition
| Vascular tissue scattered |
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Term
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Definition
| Vascular tissue arranged in ring |
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Definition
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Term
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Definition
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Term
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Definition
| Pollen grain with one opening |
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Term
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Definition
| Pollen grain with three openings |
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Term
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Definition
| Organs come in multiples of three |
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Term
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Definition
| Organs come in multiples of four or five |
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Term
| What does the megaspore do? |
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Definition
| Germinates into female gametophyte that produces one or more eggs. |
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Term
| What produces the female gametophyte in seed plants? |
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Definition
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Term
| The gametophyte is composed of one tube cell and one generative cell in what plant group? |
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Definition
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Term
| In what plant group does double fertilization occur? |
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Definition
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Term
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Definition
| Mature ovaries of angiosperms. |
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Term
| Do angiosperms or gymnosperms have sperm that lack flagella? |
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Definition
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