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Continuing Section 1.3: III. BIOTIC Parameters

Continuing Section 1.3: III. BIOTIC Parameters. 1. Cell Types. Prokaryotic. Eukaryotic. Larger cell More advanced Organelles True nucleus More complex reproduction in series of steps. Small Primitive cell No organelles Not true nucleus Grow and reproduce quickly Bacteria is one form.

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Continuing Section 1.3: III. BIOTIC Parameters

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  1. Continuing Section 1.3:III. BIOTIC Parameters

  2. 1. Cell Types Prokaryotic Eukaryotic Larger cell More advanced Organelles True nucleus More complex reproduction in series of steps • Small • Primitive cell • No organelles • Not true nucleus • Grow and reproduce quickly • Bacteria is one form

  3. A car classification example might be: • Motor vehicle • Car • Ford • Mustang • V-6 • Convertible • red

  4. Classifications • Scientists use systems to group and classify • Linnaeus Classification System • extinct and living species of organisms • grouped species by physical characteristics

  5. Linnaeus Classification System Classification order: Ex: Human Classification Animal Chordata(vertebrate) Mammal Primate Hominidae Homo Sapien • kingdom • Phylum • Class • Order • Family • Genus • Species

  6. Kingdoms – classified based on FEATURES that they share

  7. The Kingdom Monera • unicellular • prokaryotic • Many biologists now divide the Monera Kingdom into 2 kingdoms: • a. Eubacteria - true bacteria; commonly found in soils, water or living in or on other organisms (present everywhere) • Ex: blue green algea

  8. b. Archeobacteria • inhabit extreme conditions such as hot springs or ocean depths • thought to be the most primitive prokaryotes (1st to exist)

  9. Purple sulfur bacteria - Archeobacteria

  10. 2. KindomProtista unicellular eukaryotic usually move by cilia, flagella, or by amoeboid mechanisms. may have chloroplasts. small, although many are big enough to be recognized with a magnifying glass. Nutrients: decomposer, preditors, autotrophic

  11. Types of Protozoas: a) ciliates – move by hairlike structure Ex: paramecium

  12. Paramecium going through Binary fission Paramecium

  13. b) amoebas – move by pseudopods

  14. c) flagellates – smallest protozoa; have one or more flagella (long whiplike tail)

  15. d) plankton (drifting organisms such as jellyfish) • zooplankton – animal like; • ameoba, paramecium • phytoplankton – plant like;

  16. e)slime molds – like fungi and animals

  17. 3. Kingdom Fungi multicellular eukaryotic Nutrients: from absorbing foods; decompose dead organisms; do NOT perform photosynthesis do not move Ex: mushrooms, puff balls and molds

  18. 4. Kingdom Plantae multicellular eukaryotic Nutrients: produce own food (autotrophs) photosynthetic

  19. 5. Kingdom Animalia(1.5 million in category) multicellular eukaryotic Nutrients: obtained from ingestion (heterotrophs) have organelles including a nucleus, but no chloroplasts or cell walls they move

  20. a) invertebrates – no backbone 97% of all animal species Ex: worms, insects, spiders, mullusks

  21. b) vertebrates – backbone Ex: snakes, turtles, frogs, humans

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