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Exam 1 questions
Terms in this set (45)
Following is abesnt in lycophytes
Lycophytes such as___________xhibit/have __________
Selaginella(spike mosses); heterospory
Following is common to the newly improved crop cultivars/varieties of green revolution
high harvest index
Spermotophytes are all plants with ________.
Diocious plants are charcterized by the following
gender seperated in individual gametophyte
which groups have cholorphylls A&B?
Chlorophytes and plantae
if a mutation caused a new phenotype in a plant population then which of the following is likely to happen to the new phenotype?
if adds to fitness then it will propagate thru the next generations.
Characteristics that help you identify a plant on campus are a result of the following
all the interactions between genotypes and the enviornment
evolution of the following coincid with the evolution of the sporophyte more dominant than the gametophyte
what is correct about the chromosomes of alalopolyploids
come from parents with a different spp.
a primary plant metabolite:a plant secondary metabolite
The word embryophytes can be used to describe which of the following?
Which groups together make the complete clade of Archeaplastids
Rhodophyta,Chlorophyta, and Plante
Hydroids and leptoids of Byrophytes are analogous to ______and _______cells of vascular plants respectively
what is correct about growth habitat/pattern of liverworts?
both thalloid and leafy
what is in the center or a siphonostele?
Megaphylls evolved from/by
Microphylls come from ____?
Do fern have leaves?
What two groups make up lycophyta ?
Club mosses and spike mosses they arent mosses tho club has a sporangia that sticks straight up.
spike mosses have tiny tapering spikes of sporaangia
What is the difference between lycophyta and teridophyta?
Lycophytes have microphylls- there is no branching of the steele in the leaf, they work primarily w/diffusion. they are small leaved plants
FERNS have megaphylls: the steele branches mutiple times and a leaf surrounds the branching Steele; megaphylls become large leaves because of the branching
an example of homospory lycophyta group is .....
Lycopodium ( groundpine , club mosses )
Making sporangia is the responisbilty of what?
leaf that bares sporangia
Non seed plants
In heterspourous the female are the ________ and the males are ________
megasporangium w/ megasprophylls ; microsporangium w/microsporophyll example: Salagninella in lycophyta
root that can store food example: ginger
the whisk fern is not dependent on the sporangia
the sporophyte is not mother dependent, it seperated before finding the gametophyte
what group are ferns in ?
Sori / sorus
clusters of sporangia
a plant structure that bears a sporangium or spores
there is only one species
chinese medicinal uses
dioecious ; emits bad odour due to butyric acid; fan shaped leaves
largest plant bodies are in the phylum example: redwoods , sequoia
what does coniferophyta belong to
this is a part of the coniferophyta.
Female pine cone
take 2-3 years to fully mature in order to be fertilized
male pine cone
seasonal time frame. They are present during spring and then by fall they are gone.
common in desert like areas like texas California, or mexico
Can be used as tea called morman tea. the use of gymnosperms as food is rare.
located in africa; really old; slow growing
what is the gymnosperm phyla that has some characteristics of flowering plants
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