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17 Cards in this Set
- Front
- Back
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What is the first known photosynthetic organism to evolve on earth? |
cynobacteria |
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What significant role did cyanobacteria play in the development of our atmosphere and how did they perform this role? |
Making oxygen in the early atmosphere of earth |
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What kingdom is the alga in? |
Prokaryotes |
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What are the different alga phyla? (8) |
Dinoflagellates Euglenophyta Bacillariophyta Chrysophyta Phaeophyta Rhodophyta Chlorophyta Chara |
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What are the characteristics of Dinoflagellates? (2) |
1.closely related to some protozoa 2. most are unicellular biflagellates |
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What are the characteristics of Euglenophyta (Euglenoids)? (1) |
1/3 or photosynthetic |
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What are the characteristics of Bacillariophyta (Diatoms)? (3) |
1. unicellular of colonial, lack flagella 2. Primary food source for marine and fresh water aquatic animals 3. Cell walls overlap each other (petri dish) |
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What is the characteristics of Chrysophyta (Chrysophytes)? (2) |
1. Gold coloring 2. Major consumer of bacteria in cooler North American lakes |
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What is the characteristics of Phaeophyta (brown algae)? |
1. Dominate rocky shores in cool climates |
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What is algin? |
helps algae from drying out in low tides |
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What is the characteristics of Rhodophyta (red algae)? |
Carageenan Used as food additives |
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What is Carageenan? |
glatinous extracts from red algea |
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What is the characteristic of chlorophyta (green algae? |
most resembles true plants |
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What is the characteristics of Chara? |
1. "stonewort" 2. Branched growth 3. Retention of egg 4. Numerous chloroplasts per cell 5. Sperm morphology |
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What algal phylum has the most species? |
Diatoms (Bacillariophyta) |
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Which algae phylum is the closest relative to plants? |
Chlorophyta |
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What characteristics do some of the members in this phylum have that more closely resemble true plants? |
Flagella |
