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Bio Exam #2

seedless non-vascular plants

QuestionAnswer
Seedless non-vascular have...? No xylem & phloem
Some mosses possess....? leptoids and hydroids
Moss cells have a..? central strand of simple conduucting tissue
Leptoids resemble sieve cells and transport sugars
hydroids resemble tracheids and stransport water
No lignified tissue means? never becomes woody
mosses absorb water by capillary action
mosses have NO roots or leaves
____ are associated with mycorrhizal fungi Rhizoids- helps the mosses fix levels of nitrogen
Rhizoids ...? help mosses fix levels of nitrogen
mosses are colorless bc...? they have no chlorophyll
_____which lives underneath mosses and is completely dependent upon it's fungal assocaition for nutrition intake Liverworts
______ generation is dominat in the alternation of generations Gametophyte
____are formed via mitosis by the ______ gametophyte, gametophyte
antheridium is...? male-holds sperm
archegonium is....? female-holds egg
______________ is very short lived and unbranched sporophyte
______ produces a terminal capsule containing the_____? sporophyte, sporangium
Inside sporangium ____ occurs to produce ___? meiosis, meiospores
Meiospores will give rise to....? both sexes
Meiospores germinate into ...? gametophyte generation
Gametophyte will give rise to both...? antheridia and archegonia
seedless non-vascular plants arendepend upon...? free water for reproduction to occur
What division is true moses? bryophyta
what three classes belong in bryophyta? peat mosses,true mosses, and rock mosses
Leaves(not true leaves) of moss gametophytes have NO...? mesophyll,stomata, petioless, or veins
water is absorbed directly through the leaf surface by...? the motifies stems
Division bryophyta has no phloem and no xylem
bryophytes are..? homosporous-same sex (not seperated)
diploid zygote begins the life of...? sporophyte
Sporophyte is comprised of a...? foot,seta, and capsule
Seedless non-vascular plants have what two divisions? Bryophyta and hepaticophyta
liverworts are in what division? hepaticophyta
gametophytes are either leafy or thalloid
_____ _______ have smooth upper surfaces thalloid liverworts
the lower surface is comprised of ...? unicellular rhizoids
rhizoids serve to...? archor the plant
marchantia is....? one of the most common thalloid liverworts
Marchantia is _____ ? dioecious-seperate male(artheridium) and female (archegonium)
Asexual reproduction is achieved via the production of a _____? cupule and gemmae spores
Created by: 100001386003101
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