'Diatoms' diaporamas de présentation

Introduction to Quaternary Palaeoecology

Introduction to Quaternary Palaeoecology. John and Hilary Birks Nordforsk PhD course, Abisko 2011. What is palaeoecology? How do we do a Q-Time palaeoecological study? Quaternary pollen analysis Quaternary plant-macrofossil analysis Quaternary chironomid analysis

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28.3 A phylogenetic hypothesis of eukaryotes (see book page 578)

28.3 A phylogenetic hypothesis of eukaryotes (see book page 578). 28.12. Stramenopile flagella. Powdery mildew. 28.17. The life cycle of a water mold. 28.17. The life cycle of a water mold. 28.17. The life cycle of a water mold. Zoospore release. Water mold: Oogonium.

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28.3 A phylogenetic hypothesis of eukaryotes (see book page 578)

28.3 A phylogenetic hypothesis of eukaryotes (see book page 578). 28.12. Stramenopile flagella. Powdery mildew. 28.17. The life cycle of a water mold. 28.17. The life cycle of a water mold. 28.17. The life cycle of a water mold. Zoospore release. Water mold: Oogonium.

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Kingdom Protista

Kingdom Protista. If you look at a drop of pond water under a microscope, all the "little creatures" you see swimming around are protists . All protists have a nucleus and are therefore eukaryotic . Protists are either plant-like, animal-like or fungus-like.

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Common aquatic proxies

Common aquatic proxies. Structural material. Group. diatoms chrysophytes sponges radiolaria foraminifera* ostracodes. Silicates Carbonates. *agglutinated forams have clastic, not carbonate tests. Diatoms.

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kingdom Protista

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Phytoplankton

Phytoplankton. Phyto = plant Plankton = drifter Phytoplankton are single-celled microscopic plants which drift in the ocean. Photosynthesis. 6H 2 O + 6CO 2 ----------> C 6 H 12 O 6 + 6O 2. 4 Major Groups. Diatoms Dinoflagellates Coccolithophores Flagellates. DIATOMS.

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Data from the ASTAN station 2000-2003

Data from the ASTAN station 2000-2003. Data SOMLIT. Diatoms. Diatoms Roscoff. Cyto Roscoff. Cyto Roscoff 86-89. Data Mikel Latasa. Data Mikel Latasa. Annual cycle (Cyto, Diatoms, FISH). Seasonnal evolution. FISH. FISH. Clone libraries. Clone libraries.

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Taxonomy : microorganisms and viruses

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Lecture 8

All the rivers run to the sea, yet the sea is not full: unto the place from whence the rivers come, thither they return again. - Ecclesiastes 1:7 Sedimentary Rocks. Lecture 8. Webpage for course (daytime). Webpage for course (nighttime).

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Kingdom Protista

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Jim Dombroskie

Jim Dombroskie. Born in K-W Attended high school at Eastwood Collegiate Worked for a couple of years Attended Sir Sandford Fleming Hope to graduate from here (someday!) Work for Crone geophysics. DIATOMS. What are they?. One celled organism Solitary or colonial Siliceous

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Jim Dombroskie

Jim Dombroskie. Born in K-W Attended high school at Eastwood Collegiate Worked for a couple of years Attended Sir Sandford Fleming Hope to graduate from here (someday!) Work for Crone geophysics. DIATOMS. What are they?. One celled organism Solitary or colonial Siliceous

246 views • 15 slides

Protists !

Protists !. By: Shawn Owens Billy Reynolds Chase Moon Avery Corondi. Hydrodiction. Kingdom: Plantae Phylum: Chlorophyta Locomotion: no locomotion Reproduction: Sexual/Asexual Nutrition:Photoautotrophic Environment: Fresh Water Areas. Paramecium. Kingdom: Protista

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GROWTH & REPRODUCTION

GROWTH & REPRODUCTION. Diatom life-cycle. Asexual phase. Sexual phase. Cell divides into two copies of itself, one of which is the same size as the mother cell, the other of which is slightly smaller. Gradual reduction in size occurs Life-cycle continues from one to several years.

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Phytoplankton

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Diatoms as Bioindicators of Water Quality

Diatoms as Bioindicators of Water Quality. Cassandra Messina April 19, 2005 ECOL 475. Some Diatom Background. Occur only as single cells or chains of cells 285 genera and 10,000-12,000 recognized species Diversity is rivaled among the algae only by the green algae

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Euglenophyta (Euglenoids)

Euglenophyta (Euglenoids). Found mostly in fresh water Unicellular Autotrophs = photosynthesis ,when there is light When there is no light = no photosynthesis they can be heterotrophs and can ingest food No cell wall = pellicle made up of protein

110 views • 4 slides