ACT 10 - Bio 14

plants that do not have vascular tissues

Bryophytes

plants with vascular tissues

tracheophytes

tracheophytes that produce only spores

pteridophytes

tracheophytes that enclose their embryos in a structure called the seed

spermatophytes

spermatophytes that bear naked seeds

gymnosperms

spermatophytes wherein the seeds are enclosed in the ovary that later on matures to become the fruit.

angiosperms

3 divisions of bryophytes

Marchantiophyta, Anthocerotophyta, and Bryophyta

Marchantiophyta

liverworts

Anthocerotophyta

hornworts

Bryophyta

true mosses

In a bryophyte, all the conspicuous vegetative organ, which include the photosynthetic leaf-like structures, the thallus (undifferentiated plant body), stem, and the rhizoid that anchors the plant to its substrate—belong to the

gametophyte

In a bryophyta, ____ has a shorter-life span.

sporophyte

what is this

thallus

what is this

archegonium

what is this

antheridium

In a bryophyta, ____ is the independent, long-living generation

gametophyte

in bryophyta, innermost mass of slightly differentiated cells

medulla

row of teeth-like structure that regulates spore dispersal

peristome

nutritionally dependent and attached to the gametophyte.

sporophyte

embedded in the gametophytic tissue

foot

derived from the walls of the archegonium, covers the sporangium.

calyptra

at the tip of the spore capsule.

operculum

comprise the pteridophytes

psilophyta, lycopodiophyta, equisetophyta, pteridophyta

spore cases, cylindrical in structure and attached to the stalk called seta

Capsule

Stem has simple stele and may be distinctly or indistinctly dichotomously branched

Lycopodiophyta

Selaginella plana - Chinese fern

Lycopodiophyta

Simple flattened leaves which are spirally arranged on the stem

Microphylls

angular and elongated structures at the terminal ends of some branches

Strobilus

fundamental building block of the strobilus

sporophyll

Nephrolepis - Fern

Pteridophyta

compound leaves arise from rhizome

fronds

stalk of frond

Stipe

individual leaflets

pinnae

coiled form (young)

fiddlehead

brown, kidney shaped structures (clusters of sporangia)

Sori

a flap of epidermis which cover the sorus when young

Indusium

gametophyte of ferns and usually heart shaped

Prothallus

Vascular plant that has a main trunk

pinophyta

Pinus insularis - Benguet pine – conifer

pinophyta

reproductive spore producing structures

Cone

clusters of needle-like leaves

Fascicle

larger female which produces megaspores (consists of woody bracts)

ovulate

psilophyta

whisk fern

lycopodiophyta

club mosses

equisetophyta

horsetails

ferns

pteridophyta

pinophyta

pines/conifers

cycadophyta

cycads/palms

gnetophyta

gnetophytes

ginkgophyta

maidenhair tree

liliopsida

monocot

magnoliopsida

dicots