Term
| What is common in all seed plants? |
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Definition
| reduced gametophytes, heterosporous, ovules and pollen |
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Definition
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Definition
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Term
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Definition
Megasporangium, megaspore, and 2 or more protectice integument(skin)
Gymnosperm integuments: 1
Angiosperm integuments: 2+ |
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Term
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Definition
| transfer of pollen to part of seed plant with ovules-eliminates need for H2O fil |
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Term
| Name the 4 Gymnosperm Phylas: |
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Definition
| cycadophyta, ginkophyta, gnetophya, coniferophyta |
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Term
| Why do angiosperms form fleshy/dry fruit? |
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Definition
| To attract birds/insects/mammals for seed dispersal |
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Term
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Definition
| Photosynthesize throughout the year |
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Term
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Definition
| produced by small male cones/gametophytes |
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Term
| What are the 4 modified leaves of a flower? |
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Definition
| sepal, petal, stamen and pistil |
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Term
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Definition
| pollen tube entry to ovule |
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Term
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Definition
pollen tube discharge 2 sperm
-1 sperm fertilizes egg
-1 sperm combines with 2 polar nuclei and becomes food supply/ endosperm |
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Term
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Definition
| Nourishes development of embryo-food supply of seed |
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Term
| What is most important to human survival? |
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Definition
| seed plants-allow for permanent settlement and do not require to be near water |
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