Ch_23A_Lower_Plants Flashcards
1rst land plant in fossil record
Liverworts
Do liverworts have phlome or xylem for transport of H2O/sugar
no
How do liverworts prevent dehydration
cuticle
Liverworts have a dominant sporo/gameto phyte generation
gametophyte
_ anchor liverwort plants
Rhizoids
where do Liverwort swimming sperm form
Antheridia
Where do eggs form in Liverworts
Archegonia
Where do Liverwort spores from
sporophyte capsule
Gemmae Cup
used by liverworts to reproduce asexually
Gemmae cups are produced by mitosis/meiosis
mitosis
what hits the gemmae cup to cause clone to fall out
rain
nonvascular land plant
mosses
do mosses have xylem or phloem?
no
mosses have a dominant _ generation
gametophyte
what do mosses use to reproduce
spores
do moss have swimming sperm
yes
where are moss swimming sperm produced
antheridia
where are moss eggs formed
archegonia
where do moss spores from
sporophyte capsule
what grows from moss spores
protonema
Mnium type
moss
Marchantia type
liverwort
1st vascular plants
Phylum Rhyniophyta - Cooksonia
Rhyniophyta other term
Cooksonia
Liverwort phylum
Bryophyta
Moss phylum
Bryophyta
Cooksonia phylum
Rhyniophyta
Cooksonia sporophyte/gametophyte dominant
sporophyte
when did Cooksonia flourish
400 million years ago
Is Rhyniophyta extinct?
yes
how tall was Cooksonia?
6.5 cm
did Cooksonia have leaves or roots
no
how did nutrients get to ground stem on cooksonia
Mycorrhiza
Cooksonia rhizome
ground stem
Phlyum Lycophyta common term
Club Moss