When did early land plants become extinct?

Let’s learn when did early land plants become extinct. The most accurate or helpful solution is served by Yahoo! Answers.

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When did land plants become vascular?

How many million years ago did vascularization appear in plants? Thanks

Answer:

They appeared about 350 million years ago.

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If plants are continuously removed from an area of land would that land eventually become completely infertile?

If on an area of land the plants are always cut and removed from the land rather than left to die and decompose back into the soil would after a number of years ( possibly many ...show more

Answer:

an interesting question. my answer is; depends on what is growing there. if it's a nitrogen fixing plant...

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The evolution of the seed enabled plants to resist harsh environments and disperse offspring more widely...

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Answer:

Green algae are the closest relatives of land plants - Charophyta and Chlorophyta.

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What if the Earth was created with 75% land and 25% water?

What if the Earth was created with 75% land and 25% water? Not if it were to suddenly become 75% land, but if it were always like that? Obviously it be much colder, and drier, but what other changeswould happen. Especially with animals, plants, and the...

Answer:

Honestly, the potential for large organisms would be drastically decreased. Due to the cold environment...

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What if the Earth was created with 75% land and 25% water?

What if the Earth was created with 75% land and 25% water? Not if it were to suddenly become 75% land, but if it were always like that? Obviously it be much colder, and drier, but what other changeswould happen. Especially with animals, plants, and the...

Answer:

I think , the only life would be near the lakes or oceans . There would be far less rainfall due to...

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Help for research in natural rehydration in plants , crops. need forgreen house / glass house . success sure,?

leaves of plants canproduce water, needed. experiments reveal that is possible with the presence of the catalyst . it would be dynamic when external watering , irrigation become the the story of past for grim experiment i need a glass houe / green house...

Answer:

u have an invention to make leaves produce their own water? i will help. but i got no money.

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The chloroplasts of land plants are thought to have been derived according to which evolutionary sequence?

A)cyanobacteria → green algae → land plants B)cyanobacteria → red algae → green algae → land plants C) cyanobacteria → green algae → fungi → land plants D)red algae → brown algae → green algae →...

Answer:

I think the answer is A: A)cyanobacteria → green algae → land plants You really should look...

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Why do aquatic plants need land plants?

I have a science homework question... Why do aquatic plants in a stream need land plants? How do they relate? Our hints about this question so far are: -Stream ecosystems are not ok without land plants, but land plants can be ok without streams. Help...

Answer:

Streams receive water runoff from the land. This runoff brings in a constant source of detritus and...

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