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11-12
n/a
18
Biology
Undergraduate 1
11/12/2013

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Cards

Term
what is the cell wall of plants made of
Definition
cellulose
Term
how many species of plants are there?
Definition
more that 280,000
Term
what did plants evolve from?
Definition
algal group called charophytes
Term
what is the way chloroplasts and mitochondria become part of plants called?
Definition
endosymbiotic theory
Term
what is the only plant with dominant gametophyte stage?
Definition
mosses
Term
what is a lower plant? examples? (2 branches)
Definition
they don't produce seeds, have flagellated sperm
mosses (bryophytes) and ferns/horsetails (pteridophytes)
Term
what 2 things are distinctive about mosses?
Definition
no vascular tissue
dominant gametophyte stage
Term
what defines a pteridophyte?
Definition
seedless vascular plants
Term
what are sori?
Definition
the spore producing things on the underside of fern leaves
Term
what 2 things define higher plants?
Definition
have vascular tissue and produce seeds
Term
what is the 1st seed plant?
Definition
gymnosperm
Term
what are 3 examples of a gymnosperm?
Definition
ginkgo, bald cypress, pines
Term
what is a coniferophyta?
Definition
cone bearers, pollinated by the wind
Term
what is a ginkophyta?
Definition
a ginkgo tree, fanned out leaves
Term
what is the phylum of angiosperms?
Definition
anthophyta
Term
what is it called when both female and male parts are on the same flower of an angiosperm?
Definition
mononecius
Term
what kind of plants has the most efficient water transport?
Definition
angiosperms
Term
what are the number 1 and 2 pollinators of angiosperms?
Definition
beetles and bats
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