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Marine Bio
Algae, Seaweeds, Diatoms etc
| Question | Answer |
|---|---|
| DEF of Autotrophs | organisms that use energy to make organic matter |
| What provides bouncy for algae? | pneumatocysts |
| Pigments of Chlorophyta? And it's food reserve? | Chlorophyll a and b. Starch food reserve |
| Class: Codium | Dead man's fingers (Chlorophyta) |
| Class: Caulerpa | Killer Algae (Chlorophyta) |
| Pigments of Ochrophyta? Food reserve? | Chlorophyll a, c and fucoxanthin. Mamitol and oil |
| Tips filled with mucus and hold gametes called? What class? | Receptacle and conceptical. Class: Fucus (Ochrophyta) |
| Sargassum: in what phylum? Description? | Ochrophyta. Serrated leaves, air bladders |
| Egregia | Feather Boa Kelp (Ochrophyta) |
| Macrocystis | Pacific/Cali Kelp (ochrophyta) |
| Pigments of Rhodophyta and food reserve? | Chlorophyll a, d and phycobilins. Red algal starch |
| Mitosis DEF | Cell division wherein the resulting cells are identical to origin, with chromosomes in pairs |
| Meiosis DEF | cell division where resulting cells are haploid |
| Unicellular Algae Phylums | Dinophyta = dinoflagellates Bacillariophhta = diatoms |
| Dinoflagellates (chlorophyll, flagella) | Chlorophyll a and c. Girdle flagella: goes around organism Longitudinal Flagella: moves it forward |
| Toxic Dinoflagellate Blooms (types) | Ciguatera fish poisoning (CFP): live on red/ brown algae Paralytic shellfish poisoning (PSP): tongue and throat paralyzed |
| Symbiotic Dinoflagellate | zooxanthellae: algae gives sugar |
| Bacillariophta (chlorophyl, reproduction) | Chlorophyl a, c, carotenoids and xanthophylls. Asexual reproduction until too small to float, then sexual |
| Amnesic shellfish poisoning (ASP) | Caused by Pseudo-nitzchia, make diatomic acid. |
| Surf diatoms shapes | Chaetoceros: spikes Asterionella: starshapes (beachfoam) |
| Class: Zoostera (roots, dispersal) | Eelgrass, roots in sand/ mud. Dispersal very close to parents |
| Uniphasic life cycle | Like us, Fucus, Sargassum, Codium Diploid through meiosis to gametes through fertilization to Zygote |
| Biphasic Same? Different? | Same sporo and gameto: Isomorphic (Ulva). Different: Heteromorphic (Kelps) |
| Biphasic Cycle | Sporophyte through meiosis to gametophyte spore (male and female). Through fertilization to zygote, back to sporophyte. |
| Triphasic Phases and Algae | Gametophyte (N), Carposporophyte (2N, makes diploid spores), Tetrasporophyte (2N, undergoes meiosis, and makes spores) Rhodophyta |
Created by:
mhw
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