1108 test 2 material
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- 5 key traits in land plants that are absent in Charophyceans:
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Multicellular, dependent Embryo
Alternation of Generations
Multicellular Gametangia
Apical Meristems
Sporangia- produce walled plant spores - 4 key traits plants ONLY share with Charophyceans:
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Cellulose synthesizing complexes in plasma membrane
Peroxisome enzymes
Homologous flagellated sperm
Phragmoplast formation - What process happens at Apical meristems?
-
Mitosis/ cell division
-at tips of shoots and roots - What are tracheids?
- Dead, tube-shaped cells that carry water and minerals from the roots.
- Non-vascular plants have a _________ dominated life-cycle.
- Gametophyte
- Seedless vascular plants have a _________ dominated life cycle.
- Sporophyte
- what is lignin?
-
polymer that strengthens the water conducting cells' walls
-Helps the plants to grow taller. - what is phloem?
- Living cells that transport sugar in plants
- Roots are unique to what kind of plants?
- Vascular Plants
- What are sori?
- clusters of sporangia in pterophytes
- What type of plants Significantly decreased the amt of CO2 in the atmosphere during the carboniferous period?
- Seedless Vascular Plants
- All seed plants are (homosporous and heterosporous)
- heterosporous
- most seedless vascular plants are (heterosporous or homosporous)
- Homosporous
- What aspect eliminated the water requirement for fertilization in plants?
- Pollen
- what are fungal cell walls made of?
- chitin
- what are mycorrhizae?
- symbiotic relationships bt/w fungi and plant roots
- In fungi, what are pheromones?
- sexual signalling molecules
- what's the only diploid stage in most fungi?
- Karyogamy
- what are deuteromycetes?
- have no known sexual stage
- What kind of fungi is responsible for mold on fruits?
- Zygomycetes
- What did fungi derive from?
- a unicellular, aquatic, flagellated protist
- what are coenocytic hyphae?
- the nuclei are not separated.
- Alternation of generations occurs in what organisms?
- Brown, red, and some green algae, forams, and Plants
- what kind of fungi reproduce asexually by Conidia?
- Ascomycetes
- Most lichens involve which kind of fungi?
- Ascomycites, and sometimes basidiomycetes
- what is the integument?
- layers of tissue in a seed plant that protect the megasporangium
- A triploid endosperm is a characteristic of what kind of plants?
- Angiosperms
- what kind of plants have a fibrous root system?
- Seedless vascular plants and most Monocots
- what kind of plants have a taproot system?
- Most Eudicots and gymnosperms