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What is the general plant life cycle (Alternation of Generations?)
What is this?
What is this? and what does it produce on surface of their gametophytes?
Liverworts, produce small cup shaped structures called gemmae cups on top of their gametophytes.
What is this? And what what phylum is this under?
fragile looking, light freen, leaves fall with gravity
Running Pine, phylum Lycophyta, "club moss" not really a moss.
What are these? Why phylum is it in?
Phylum Pterophyta. These Pterophyte sporophytes can grow to the size of a tree, froma microscopic gametophyte view.
- 1. Horse tails - green bamboo stick like
- 2. whisk ferms - not really a fern
What is a sorus? (plural sori)
Where is the sorus here?
Fern sporophytes produce sporangia in clusters on the back of the fern fronds. Each cluster is called a sorus.
sorus = whole round yellow structure is made of sporangia.
Which is the archegonia? And the antheridia?
fern gametophyte with archegonia = small dark tube like structures each contains one egg
fern gametophyte with antheridia = small round blue/green ball like strucutres each anteridia contains many sperms
What are the four phyla making up gymnosperms?