botany lab 4

Bryophyta

What is the phyla for mosses?

Marchantiophyta

What is the phyla for liverworts?

Anthocerotophyta

What is the phyla for hornworts?

gametophyte

what is the dominant gen in bryophytes?

rhizoids

what are the little hairs on the roots of mosses

thallus

a plant body without true stems or roots or leaves or vascular system

seta

DIPLOID stalk of a moss capsule

capsule

sporangia in Bryophytes are enclosed in what

paraphyses

multicellular filaments surrounds the antheridia on bryophytes to collect and hold water

sterile jacket

single layer of cells outside the antheridium

venter

the surrounding of the archegonium

neck canal

in female gametophyte, the hollow area above the archegonia

calyptra

the old venter surrounding the sporophyte haploid!

operculum

the moss acorn top on a capsule

peristome

row of teeth like projections that regulate spore release

gemmae cups

the asexual reproduction in liverworts is through what

thalloid, leafy

the ____ liverwort is much flatter and simpler than ___ liverworts

photosynthetic parenchyma

in a thalloid liverwort cross-section under the upper epidermis is the _____ ______ cells

storage parenchyma

in a thalloid liverwort cross-section the photosynthetic parenchyma cells are on top of what cells?

scales/rhizoids

under the crossection of the thalloid liverwort is what?

antheridiophore

the stalk holding the antheridium (n)

archegoniaphore

the stalk holding the archegonium (n)

bottom

on the liverwort female gametophyte where are the archegonium found?

elaters

the spiral shaped structures in liverworts to help not release spores when humid

foot

the DIPLOID connection from the sporophyte to the archegonia

calyptra

the haploid covering between the foot and the sporangia in the liverwort (n)

capsule

the region that grows out of the female archegonium