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Plant Diversity I: Non-vascular plants

Plant Diversity I: Non-vascular plants

Plant Diversity I: Non-vascular plants. 1.2 billion years ago (BYA) – appearance of cyanobacteria on land 500 million years ago (MYA) – appearance of plants, fungi and animals evolution of plants from the green algae Phylum Charophyaeta

By layne
(993 views)

Biotransformation of Drugs

Biotransformation of Drugs

Biotransformation of Drugs. September 10, 2007 Frank F. Vincenzi. Learning objectives: drug biotransformation. Xenobiotic, endoplasmic reticulum & microsomes First pass effect, bioavailability Pro-drug, parent compound, metabolite (active or inactive) Lipophilicity vs. hydrophilicity

By niyati
(807 views)

Chapter 44: Maintaining a Constant Internal Environment (Homeostasis)

Chapter 44: Maintaining a Constant Internal Environment (Homeostasis)

Chapter 44: Maintaining a Constant Internal Environment (Homeostasis). Body Temperature. Enzymes: Rxn rates inc. 2-3 times with each 10 0 C temp. inc. (until denatured) Each species has an optimal temp. range for metabolic rxns to be efficient

By remy
(286 views)

Life—The Final Frontier A Case Study on the Characteristics of Life

Life—The Final Frontier A Case Study on the Characteristics of Life

Life—The Final Frontier A Case Study on the Characteristics of Life. by William Rogers , Ball State University Thomas Horvath , SUNY-Oneonta. CQ1: Do you think life exists elsewhere in the universe besides planet Earth?. A: Yes B: No. Photo courtesy of http://hubblesite.org/.

By Gabriel
(357 views)

In four square miles of rainforest, one finds lots of biodiversity. There are approximately…

In four square miles of rainforest, one finds lots of biodiversity. There are approximately…

In four square miles of rainforest, one finds lots of biodiversity. There are approximately…. 750 species of trees 1500 different flowering plants 125 different mammals 400 species of birds 100 reptiles Countless insects 60 different amphibians 150 species of butterflies.

By winola
(136 views)

The Permian Mass Extinction

The Permian Mass Extinction

The Permian Mass Extinction. What causes extinctions?. Competition from other organisms Everything needs some space to live. If there isn’t enough habitat/food/etc, one species must adapt, move, or die out. Changes in the physical environment Climate change Animals must adapt or die out.

By kenny
(130 views)

Photosynthesis

Photosynthesis

Photosynthesis. Process which changed a planet. “Goals” of Photosynthesis. To trap sunlight (radiant energy) To produce glucose (photons converted to chemical energy) Accidental Event: Making Oxygen Gas!! (0 2 ). The full range of radiation is called the electro-magnetic spectrum.

By kristy
(66 views)

Microgravity: A Novel Environment for Cells Physical Forces in Evolution

Microgravity: A Novel Environment for Cells Physical Forces in Evolution

Microgravity: A Novel Environment for Cells Physical Forces in Evolution. Neal R. Pellis, Ph.D. Chief, Biological Systems Office NASA Johnson Space Center Houston, TX 77058 Npellis@ems.jsc.nasa.gov. Physical Factors that Influence Nature.

By draco
(156 views)

Applications of the palaeontology: - study of the evolution - interpretation of spatial distribution of ancient organis

Applications of the palaeontology: - study of the evolution - interpretation of spatial distribution of ancient organis

Applications of the palaeontology: - study of the evolution - interpretation of spatial distribution of ancient organisms (palaeobiogeography datation of the rocks (biostratigraphy) interpretation of ancient environments (palaeoecology) reconstruction of palaeoclimates.

By laken
(109 views)

Environmental Science: Toward a Sustainable Future Richard T. Wright

Environmental Science: Toward a Sustainable Future Richard T. Wright

Environmental Science: Toward a Sustainable Future Richard T. Wright. Chapter 8. Soil: Foundation for Land Ecosystems, and a very Earthy Subject. Why a Study of Soil Is Important. 90% of the world’s food comes from land-based agriculture.

By dionne
(212 views)

BIOLOGY 457/657 PHYSIOLOGY OF MARINE & ESTUARINE ANIMALS

BIOLOGY 457/657 PHYSIOLOGY OF MARINE & ESTUARINE ANIMALS

BIOLOGY 457/657 PHYSIOLOGY OF MARINE & ESTUARINE ANIMALS. March 1, 2004 Physiology of Respiration. METABOLIC RATE. MR = energy metabolism per unit time Significance: Measurement of overall chemical energy state Suggests utilization of particular energy sources

By nam
(139 views)

Overview of Green Plants

Overview of Green Plants

Overview of Green Plants. Chapter 30. Defining Plants. The kingdom Viridiplantae includes land plants and green algae Red and brown algae are excluded The green algae split into two major clades Chlorophytes Charophytes Streptophyta includes the Charophytes and all land plants

By bambi
(276 views)

Jared Mardenborough Dane DeBrunner Wayne Zhao

Jared Mardenborough Dane DeBrunner Wayne Zhao

Astrobiologist/ Planetary Geologist. Jared Mardenborough Dane DeBrunner Wayne Zhao. Who Are They?. An ASTROBIOLOGIST studies of the origin, evolution, distribution, and future of life in the universe. In other words, an astrobiologist searches for extra-terrestrial life.

By loki
(89 views)

Osmoregulation

Osmoregulation

Osmoregulation. (this one’s a real pisser). Overview: A Balancing Act. Physiological systems of animals operate in a fluid environment Relative concentrations of water and solutes must be maintained within fairly narrow limits

By moira
(74 views)

Four myths about database software

Four myths about database software

Four myths about database software. Only nerds use them You must be a programmer It takes years to learn You must use Access. Four myths about baseball players. They are smarter than football players They all take steroids They only want to hit home runs They all chew tobacco.

By marilu
(72 views)

31.3 Vertebrates

31.3 Vertebrates

31.3 Vertebrates. Vertebrate Intro . Have all 4 chordate characteristics at some point of development Embryonic notochord generally replaced by vertebral column Generally a high level of cephalization (brain and nervous system) with complex sense organs Closed circulatory system.

By hunter
(73 views)

Paseo Hills 6 th Grade Field Trip

Paseo Hills 6 th Grade Field Trip

Paseo Hills 6 th Grade Field Trip . Camp Surf. April 28 th – April 30th , 2014 Imperial Beach, California. Meeting Agenda September 12 th , 2013. Review Camp Surf Experience Fund-raising Activities Sonic Card Sales Papa John’s Week Scholarships Notification

By khanh
(129 views)

Home

Home

Home. Hydrothermal vent tube worms. Pillow lava forming basalt. Hydrothermal vents. Hydrothermal vents. Figure 26.14 A window to early life?. Figure 27.1 “Heat-loving” prokaryotes. Goldilocks Planet. History of earth. Today. History of earth. 5 BYA. 10 BYA. 15 BYA. Today.

By theo
(186 views)

Chapter 28

Chapter 28

Chapter 28. The Animal Kingdom: An Introduction to Animal Diversity. Characteristics common to most animals Eukaryotic Multicelleular Heterotrophic Specialized cells. Characteristics common to most animals, cont. Capable of locomotion at some point

By shana
(150 views)

Plant Parts

Plant Parts

Plant Parts. Just like humans, plants have systems and subsytems that enable them carry out necessary processes. Each plant part - root, stem, leaf - has a specific role in keeping the plant alive through photosynthesis. Leaves (page 2) - main site of photosynthesis

By elu
(579 views)

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