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Title: The Reproductive Lives of Nonvascular Plants: Alternation of Generations
Description: Introduces us to nonvascular plants - liverworts, hornworts & mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it is now used by all plants in one way or another and has even left traces in our own reproductive systems.
Description: Introduces us to nonvascular plants - liverworts, hornworts & mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it is now used by all plants in one way or another and has even left traces in our own reproductive systems.
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The Reproductive Lives of Nonvascular Plants:
Alternation of Generations - Crash Course Biology
The plants that we see today probably evolved from a single species of algae
that noodged itself onshore about 1
...
the main defining trait
of nonvascular plants is that they don't have specialized conductive tissues
...
They can't reach down into the soil to get
to water and nutrients
...
nonvascular plants
are collectively referred to as Bryophytes
...
about 15,000 mosses, 9,000 liverworts and only
about 100 hornworts
...
Nobody really knows which of the Brysophytes evolved first and which
descended from which
...
another generation
...
when the sperm and egg fuse, they
give rise to the second generation
...
Nonvascular plants are the least complex kind of plants and their alternation of
generations process is about as simple as it gets
...
in bryophytes
...
You
know, the plant part
...
but
as plants get more complicated
...
plants, the sporophtes
become the dominant phase
...
We'll review
...
and if you have any questions for us, we 're on Facebook
and Twitter and, of course, we're down in the comments below
Title: The Reproductive Lives of Nonvascular Plants: Alternation of Generations
Description: Introduces us to nonvascular plants - liverworts, hornworts & mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it is now used by all plants in one way or another and has even left traces in our own reproductive systems.
Description: Introduces us to nonvascular plants - liverworts, hornworts & mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it is now used by all plants in one way or another and has even left traces in our own reproductive systems.