'Deep sea vents' diaporamas de présentation

Mangroves, Salt Marshes, and Deep Water Habitats

Mangroves, Salt Marshes, and Deep Water Habitats. February 16 th , 2011. Brittanica.com. Mangrove Swamps. Also known as tidal forests Have received inadequate attention until recent years. Mangroves. Worldwide distribution Between 25 0 North and 25 0 South latitude

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Bacteria, Protists , and Fungi

Bacteria, Protists , and Fungi. 7th. Bacteria are very small unicellular organisms that do not contain organelles This makes them prokaryotes They have DNA, but it floats around the cell as a nucleoid. How do they get food? Producers- anything that can make food

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History of Life By Andrew E Lyman- Buttler

History of Life By Andrew E Lyman- Buttler. Points:. Outline the modern scientific understanding of the formation of Earth Summarize the concept of half-life Describe the production of organic compounds in the Miller-Urey apparatus

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Chemical Elements and Water

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Option D

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The Water Planet Ch. 22

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Origins of Life LACSSP presentation

Origins of Life LACSSP presentation Dr. Bill Nelson, USC Wrigley Institute for Environmental Studies July 23, 2012 Wrigley Marine Science Center . First life. What is life?. Five characteristics of living organisms: Distinct, recognizable organization Reproduction (with wobbly precision)

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The First Life Forms

The First Life Forms. PROKARYOTES. Proposed sequence of events for the development of cells (draw sequence boxes). Small organic molecules, such as amino acids and nitrogenous bases, were formed by abiotic events or factors ( volcanos , lightning, meteroites , deep-sea vents).

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Bacteria

Bacteria & Archaea. Eukarya. Bacteria. Archaea. Cell Structure. Prokaryote : no nucleus or organelles Chromosome & plasmids float freely in cytoplasm Ribosomes : create proteins Flagella : used in movement Pili : act as anchors Capsule : outer coating

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Theories on the Origin of Life

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History of Life

History of Life. Ch. 14. History of Life. Fossil Evidence of Change Paleontologist - a scientist who studies fossils Fossil - preserved evidence of an organism Trace fossils - indirect evidence of organism. ex footprints, burrows, feces Molds and Casts - impression of an organism

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Enzymes

Enzymes. Enzymes, substrates and active sites. Enzymes are globular proteins that work as catalysts Substrates are the substances that enzymes convert into products during metabolic reactions.

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Bacteria and Archaea

Bacteria and Archaea. pili. plasma membrance. flagellum. chromosome. cell wall. plasmid. This diagram shows the typical structure of a prokaryote. Archaea and bacteria look very similar, although they have important molecular differences. Cell Structure. Prokaryote : no nucleus

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Energy Flow in Ecosystems

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Kingdom Monera

Kingdom Monera. Characteristics. Most numerous and widespread organisms on Earth. Includes the smallest and simplest life-forms Unicellular Single-celled Live in chains of clusters Only Kingdom made of prokaryotic organisms Have no nucleus. 3 Basic Classifications of Bacteria.

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Field trip to California science center

Field trip to California science center. Field trip to California science center The grade: Dress up Each echo system is studied presented and subtopics included 10 points The individual oral presentation is accompanied by powerpoint slides Clip art is included for each ecosystem

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Saccharomyces cereviceae

Saccharomyces cereviceae. Common name: yeast Eukaryotic Unicellular Cell wall made of chitin Heterotrophic decomposer Asexual reproduction by budding Facultative anaerobe 6,275 genes In nature, found on plants, fruits, and grains Used to make bread, beer, and wine.

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Animal Unit: Food Chain

Animal Unit: Food Chain. By: Mrs. Jacqueline McKelvey. Food Chain Facts:. A Food Chain is a diagram or picture that shows how each animal gets its food. Each link in a food chain is food for the next animal. A food chain always begins with some type of plant life and ends with an animal.

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Deep Sea Vents

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