Classification Eukaryotes

Classification Eukaryotes

1. Classification: Eukaryotes ppt. by Robin D. Seamon

2. Protists - eukaryotic microscopic organisms; Kingdom Protista Most are single-celled, though some are multi-celled; some are colonial Some are more related to plant metabolism (autotrophic), others more related to heterotrophs (fungi/animal) Asexual reproduction: mitosis Transport: through membrane KINGDOM PROTISTA

3. PROTIST EXAMPLES Paramecium Unicellular Heterotrophs In aquatic habitats Motile: (movement) cilia beat in unison Contractile vacuole- collects water & expels it

4. Energy : (eating) cilia sweeps organic material into the oral grove Food forms a vacuole at the gullet Lysosomes digest Waste release through anal pore (Gullet) anal pore Paramecium

5. Reproduction Macronucleus - has genes for daily function Micronucleus - has all DNA; only used for reproduction Binary fission Paramecium VIDEO: Paramecium Feeding (1 min)

6. PROTIST EXAMPLES Amoeba Unicellular Heterotrophs In aquatic habitats Motile: (movement) cytoplasm forms pseudopods to direct movement Pseudo- false Pod - foot

7. PROTIST EXAMPLES Amoeba Energy - predator - eats small organisms Surrounds food with pseudopodia Digests with lysosomes Contractile vacuoles remove excess water

8. Reproduction Binary fission Amoeba VIDEO: Amoeba vs. Paramecium (2:30)

9. PROTIST EXAMPLES Euglena Unicellular Autotrophs OR Heterotrophs In aquatic habitats Motile: (movement) one or more flagella whip to move Euglena- Flagellum movement phase (1 min)

10. PROTIST EXAMPLES Euglena Energy - Eyespots – detect light chloroplasts - photosynthesis Phototaxis - swimming towards light In low light, absorb nutrients through membrane (diffusion)

11. Contractile vacuole- Removes excess water Reproduction Binary fission Euglena VIDEO: Protists - Amoeba, Euglena, Paramecium (3:45)

12. PROTIST EXAMPLES Volvox Algae Energy - Photosynthetic Live in colonies

13. PROTIST EXAMPLES Malaria Energy- Infects humans through mosquito bite Humans are part of its reproductive cycle

14. Molds Yeast Mushrooms Most are unicellular Some are multicellular Heterotrophic Absorbs nutrients Transport through membrane KINGDOM FUNGI

15. Reproduction : Asexually Mitosis Budding Fragmentation

16. Chemicals released by hyphae digest dead materials. Hyphae absorb the digested food.

17. Multicellular Autotrophic Photosynthesis Have chloroplasts KINGDOM PLANTAE Examples: Non-vascular – ferns and mosses Vascular Gymnosperms – conifers Vascular Angiosperms – flowering plants and trees

18. Nonvascular Haploid / diploid life cycle; transport through membrane Vascular: Gymnosperms Male and female cones; veins for transport Vascular: Angiosperms Flowers with male and female parts; veins for transport Reproduction & Transport

19. Vascular plants have veins Xylem moves water up Phloem moves sugar down

20. Multicellular Heterotrophic Mostly sexual reproduction Move about their environment Nutrition Digestive system Transport Circulatory system Excretion Urinary system KINGDOM ANIMALIA Examples: Humans, cats, dogs, worms, seashells

21. Phylum Arthropoda Class Insecta Class Arachnida Phylum Chortdata Class Osteicthyes - bony fish Class Amphibia Class Reptilia Class Aves Class Mammalia SOME ANIMAL EXAMPLES

22. Mammals Glands Diaphragm Heart Teeth Mammary glands Hair