5 major bacteria phyla - Study guides, Class notes & Summaries

"Salting out" - certain ions become too concentrated in soils and draw water out of roots by osmosis, causing plant death 2 types of lateral meristems: - Cork cambium vascular cambium 2 ways to increase allele diversity/allele frequency distribution: - 1.) gene flow 2.) mutation 3 Chordate Subphyla - Urochordata, Cephalochordata, and Vertebrata 3 criteria for designating species: Boys Make Pasta - biological, morphological, phylogenetic 4 key characteristics of chordates - 1.) notochor...

Know the definition of microbe and discuss the contradictions that arise from the word microbe. Microbe: a living organism that requires a microscope to be seen Exceptions/ probs with def: (look in notebook for more detail) 1. Supersize Microbial Cells 2. Microbial Communities 3. Viruses Provide examples of microbes that profoundly affected human history. 1717- First sign of immunization for small pox. 1929- Alexander Fleming discovered penicillin. 14th century- bubonic plag...

(ssu) rRNA sequences comparison studies demonstrated that living organisms form three phylogenetically distinct groups, or domains: .5µm-5µm Most archaeons, like most bacteria, are between histones Unlike bacteria, archaeons possess ______, DNA-binding proteins that help to package the DNA and may make it more thermostable. glycerol 1-phosphate The archaeal plasma membrane consists of __________, a stereoisomer of the molecule present in bacterial and eukaryal membrane...

BIOLOGY 171 EXAM 3 VOCABULARY LECTURE 13_17adaptive radiation—process in which organisms diversify rapidly from an ancestral species into a multitude of new forms (usually with ecological opportunities and morphological innovations) animals Archaeopteryx—oldest known fossil bird of the late Jurassic period; it had feathers, wings, and hollow bones like a bird, but teeth, a bony tail, and legs like a small dinosaur Archean Eon—4 to 2.5 BYA; oceans, volcanism, atmosphere-no oxygen, orig...

GED Science Exam 129 Questions with Verified Answers Points to remember! - CORRECT ANSWER All living things have several things in common. The cell is the basic functional unit of a living organism. Ecosystems are home to thousands of organisms, each playing a necessary role. ABOUT 40% THE GED SCIENCE QUESTIONS WILL BE ABOUT LIFE SCIENCES. Cell - CORRECT ANSWER the basic functional unit of an organism DNA - CORRECT ANSWER contains all the instructions needed to direct a cell's activiti...

Goals and Objectives At the end of this laboratory you should be able to: 1. Describe the environmental diversity among phyla of microbial eukaryotes 2. Describe the morphological diversity among phyla of microbial eukaryotes 3. Describe the mechanisms of motility in microbial eukaryotes 4. Explain environmental influence on flagellate versus amoeboid morphology 5. Explain the life cycles of representative microbial eukaryotes 6. Discuss mutualistic interactions among Bacteria, Archaea, a...

A pure culture A) is sterile. B) is a population of identical cells. C) is made of a precisely defined chemical medium. D) contains one microbial cell. b Microbial cells first evolved on Earth approximately ________ _______ years ago. A) 1.6 to 1.8 million B) 7.0 to 7.2 million C) 3.8 to 3.9 billion D) 10.5 to 11.5 billion E) None of the above c Predict how Pasteur's conclusions on spontaneous generation with swan flasks would have changed if he worked with and maintai...

GED Science Exam 129 Questions with Verified Answers Points to remember! - CORRECT ANSWER All living things have several things in common. The cell is the basic functional unit of a living organism. Ecosystems are home to thousands of organisms, each playing a necessary role. ABOUT 40% THE GED SCIENCE QUESTIONS WILL BE ABOUT LIFE SCIENCES. Cell - CORRECT ANSWER the basic functional unit of an organism DNA - CORRECT ANSWER contains all the instructions needed to direct a cell's activiti...

1. population composed of all individuals that belong to the same species and live in a given area at a particular time 2. community incorporates all of the populations of organisms within a given area 3. population ecolo- gy the study of factors that cause populations to increase or decrease 4. population size the total number of individuals within a defined area at a given time 5. population densi- ty 6. population distriu- tion the number of individuals per unit area (or v...

WGU C190 Intro to Biology (Complete) Questions and Answers Non-living, may be within or made by a living organism. --Abiotic Living. Matter is considered ______ if it was ever alive at some point in time --Biotic Smallest level. The basic unit of matter. Consists of a dense nucleus surrounded by electrons. --Atom Second level. A chemical structure consisting of at least two atoms held together by a chemical bond. --Molecule Third level. Biologically important molecules that are te...