Test 5 Flashcards
Alternation of generation
A pattern of reproduction occurring in the life cycles of many plants
Bryophyte
A small flower less green plant of the division bryophyta
Gamete
Sex cell
Spore
Asexual reproduction unit
Moss
A small flowerless green plant the lacks true roots and grows in a damp enviorment
Liverwort
A small flowerless green plant with lead-like stems or lobed leaves
Sporophyte
The asexual phase that produces spores from which the gametophyte arises
Gametophyte
The gamete producing phase that produces the zygote from which the sporophyte arises
Polytrichium
A genus of mosses which contains 70 species
sphagnum
A plant of a genus that comprises the peat mosses
Funaria
A genus of about 200 species of moss
Marchantia
A genus of a group of liverworts without roots or vascular systems
Protonema
A threadlike chain of cells that forms the earliest stage of a bryophyte life cycle
Antheridium
The male sex organ of algae, mosses, ferns, fungi, and other non flowering plants
Archegonium
The female sex organ of algae, mosses, ferns, fungi, and other non flowering plants
Gemmae cup
Vegetative reproduction, small groups of cells that become detached
Rhizoid
A root hair on the underside of the thallus to anchor the plant and conduct water
Thallus
A plant body that is not differentiated into stem and leaves and lacks true roots and vascular system
Zygote
A diploid cell resulting from the fusion of 2 haploid gametes
Sporangia
A receptacle in which spores are formed
Capsule
The spore producing structure of mosses and liverworts typically borne on a stalk
Operculum
A structure that closes or covers an aperture
Calyptra
Describes a feature in plant morphology
Bog
Wet muddy ground too soft to support a heavy body
