BISC 102 Chapter Notes - Chapter 1: Ovule, Parasitic Plant, Mycelium

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Sperm producing structure in most land plants except angiosperms
Egg producing structure in most land plants except angiosperms
Group of filamentous green algae
Group of fungi, an aquatic group thought to be most similar to ancestral protist from which fungi
arose (aquatic and soil environments, having flagellated zoospores and little or no mycelium)
Describing a cell or fungal mycelium containing 2 nuclei that are genetically distinct
A cell or individual organism with 2 sets of chromosomes (2n), 1 set inherited from maternal parent
and 1 set from paternal parent.
Plant that nourishes its embryos inside its own body. Al land plants are embryophytes
Gamete-forming structure found in all land plants except angiosperms. Contains a sperm-producing
antheridium and an egg producing archegonium. The gamete-forming structure of some chytrid fungi
Haploid reproductive cell that can fuse with another haploid cell to form a zygote. Most multicellular
eukaryotes have 2 distinct forms of gametes: egg cells (ova) and sperm cells.
In organisms undergoing alternation of generations, the multicellular haploid form that arises from a
single haploid spore and produces gametes. A female gametophyte is commonly called an embryo sac;
a male gametophyte a pollen grain.
Having 1 set of chromosomes (n). A cell/individual organism with 1 set of chromosomes
Highly modified stem or root of a parasitic plant, or a specialized branch or tube originating from a
hairlike filament (hypha) of a fungus. Haustorium penetrates the tissues of a host and absorbs
nutrients and water.
One of the strands of a fungal mycelium (mesh-like body of fungus)
A mass of underground filaments (hyphae) that form the body of a fungus
Hairlike structure that anchors a bryophyte (nonvascular plant) to the substrate
Plant reproductive structure consisting of an embryo, associated nutritive tissue (endosperm) and an
outer protective layer (seed coat). In angiosperms, develops from fertilized ovule of a flower
cluster of sporangia (structures producing and containing spores) in ferns and fungi
Spore-producing structure found in seed plants, some protists and some fungi (eg chytrids)
In bacteria, a dormant form that generally is resistant to extreme conditions. In eukaryotes, a single
cell produced by mitosis or meiosis (not by fusion of gametes) that is capable of developing into an
adult organism
In organisms undergoing alternation of generations the multicellular diploid form that arises from two
fused gametes and produces haploid spores
Diploid cell formed by union of 2 haploid gametes; a fertilized egg. Capable of undergoing
embryological development to form an adult
Spore-producing structure in fungi that are members of Zygomycota
Mitosis: Part of the cell cycle in which chromosomes in a cell nucleus are separated into two identical
sets of chromosomes, each in its own nucleus.
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