Flashcards in Lab 6: Seedless Plants Deck (83)
The extant seedless plants consist of the __________, the ___________, and the _____________.
Bryophytes, fern allies, ferns.
The term "bryophyte" refers to those plants that lack __________.
The term "fern allies" refers to seedless plants that contain ___________ but are not _________.
Vascular tissue, ferns
Another word for cones?
The alternation of generations refers to a life cycle that exhibits separate multicellular _________ individuals and multicellular __________ individuals.
Two separate generations, the __________ and the __________ are needed to complete one cycle of life.
The __________ is a multicellular individual that may be unisexual or bisexual that produces haploid gamete cells (flagellated sperm or eggs).
Name this process: Male gametophytes release sperm into the surrounding environment to fuse with the retained female gametes.
After fertilization, the resulting zygote develops into the diploid, multicellular ___________.
A __________ releases haploid spores into the environment thatg germinate and grow to become a multicellular haploid gametophyte.
In all seedless plants, gametes are produced in jacketed multicellular structures called __________.
Two types of gametangia are __________ and __________.
__________ produce many flagellated sperm, which swim to an __________ that contains a single egg.
The new sporophyte grows out of the archegonium and and is usually anchored to the __________ by a __________.
The __________ is initially dependent on the __________ (zygote to early embryo) for sustenance.
Male reproductive structure in seedless plants. Produces haploid sperm.
Female reproductive organ in seedless plants. Produces haploid eggs.
Phylum of nonvascular plants made up of mosses and liverworts.
In seedless plants, the multicellular haploid phase that produces gametes.
Producing two types of spores; one gives rise to female megaspore and the other to a male microspore.
Producing a single type of spore that gives rise to a gametophyte with both male and female reproductive organs.
Sporangium containing megaspores.
A haploid spore that produces a female gametophyte.
Sporangium containing microspores.
A haploid spore that produces a male gametophyte
In seedless plants, hair-like extensions that anchor the plants to the ground.
In seedless plants, a multicellular organ where meiosis occurs and haploid cells develop.
A haploid cell that divides by mitosis to develop into a haploid adult.
In seedless plants, the diploid phase that produces spores.