Lecture 14 Flashcards by I EZ

Q

Gametophytedependent on sporophyte pros?

A

Gametophyte is protected

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Q

Gametophytedependent on sporophyte cons?

A

More stress on sporophyte

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Q

Pollen (male gametophyte) pro?

A

Protection

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Q

Pollen con?

A

Needs something like air or insects to disperse it

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Q

Ovule (protected by sporophyte) pros?

A

Protection

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Q

Ovule cons?

A

Extra care for sporophyte

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Q

Seed pros?

A

protection, dispersal, food storage, dormancy

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Q

Seed cons?

A

Great energy cost

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Q

Mature trees are?

A

2n sporophytes

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Q

Sporophylls?

A

scale like leaves with sporangia

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Q

Ovule is?

A

Integuments+megasporangium+megaspore

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Q

Microsporangium undergo?

A

Meiosis

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Q

Microspore undergoes?

A

Mitosis

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Q

Nonseed plants require?

A

Water to pollinate

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Q

In seed plants, the male gametophye is?

A

In pollen grain

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Q

Seed is travelling stage in?

A

Plants with seeds

Q

Spore is travelling stage in?

A

non seed plants