Life Extra notes 2 - January 15, 2009 Vasopressin hormone...

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Vasopressin – hormone found in a male’s brain, and a pleasure endorphin Life is the ability to… Metabolize Grow Respond to stimuli Reproduce Cell is the smallest unit of life able to survive and reproduce on its own January 20, 2009 Linnaeus System: 1. Kingdom - Animailia 2. Phylum - Chordata (has spinal chord) 3. Class – Mammalia (has breasts) 4. Order - Primates 5. Family – Hominidae 6. Genus - Homo 7. Species – Sapiens **Species is the largest group where individuals can interbreed and have fertile offspring Originally there were 2 kingdoms, book lists 6 1. Archaebacteria “old bacteria” (some date as far back as 3.8 billion years ago) 2. Eubacteria “true bacteria” (most abundant organisms on Earth) 3. Protista 4. Fungi 5. Plants 6. Animals Two most important processes 1. Photosynthesis – captures energy and produces glucose and oxygen a. Occurs in plants, but also some bacteria and even protistas 2. Respiration – releases energy and produces carbon dioxide and water
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This note was uploaded on 10/17/2011 for the course ISB 202 taught by Professor Johnson during the Spring '08 term at Michigan State University.

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Life Extra notes 2 - January 15, 2009 Vasopressin hormone...

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