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11 Cards in this Set

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  • Back
Explain how vegetative reproduction can produce a new plant. Provide an example.
A new plant grows from a plant organ or part of it; liverwort gemmae or rhizome of a frond breaks off
How is the sporophyte generation of a moss dependent on the gametophyte generation?
for support and most of its nutrients
Interpret the function of a plant's reproductive system.
continuation of the species
Compare and contrast the life cycle of a fern and a conifer.
The sporophyte is dominant in both. The fern gametophyte grows from a spore, produces male and female gametes, and is separate from the sporophyte. Conifer gametophytes are within male and female sporophyte cones. Conifers grow from seeds.
Why is the term alternation of generations appropriate to describe the life cycle of a plant?
The sporophyte generation (2n) alternates with the gametophyte generation (n).
Make an events-chain concept map of the life cycle of a fern, beginning with the prothallus.
Prothallus —> gametes—> fertilization> diploid zygote -> sporophyte —> spore —> prothallus
type of asexual reproduction in plants where a new plant is produced from existing plant organs or parts of organs.
vegetative reproduction
in mosses, a small, green filament of haploid cells that develops from a spore; develops into the gametophyte.
haploid spore formed by some plants that develops into a female gametophyte.
haploid spore formed by some plants that develops into a male gametophyte.
the opening in the ovule through which the pollen tube enters.