Bacteria 2010
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This document discusses bacteria and their characteristics. It aims to explain how bacteria can be both helpful and harmful, and to identify the three shapes of bacteria. Bacteria are single-celled prokaryotes that reproduce through binary fission. There are two kingdoms of bacteria: Archaebacteria, which are ancient and live in extreme environments; and Eubacteria, which are the most common and live almost everywhere. The three shapes of bacteria are: spiral-shaped spirilla, rod-shaped bacilli, and round cocci.
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This document defines key terms used in the scientific method, including observations, questions/problems/purposes, hypotheses, materials, procedures, data, conclusions, communication/theories, independent variables, dependent variables, constants, control groups, and experimental groups. It explains that observations are gathered through the senses, questions define what is being investigated, hypotheses are predicted answers, materials and procedures are used to test hypotheses, data is collected, and conclusions are drawn based on results. Repeated experiments that produce similar results can lead to theories being communicated among scientists.
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The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
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- 1. BACTERIA!BACTERIA! OBJECTIVE:OBJECTIVE: You will be able to explain how bacteria are helpfulYou will be able to explain how bacteria are helpful and harmful.and harmful. You will be able to identify the 3 different shapes ofYou will be able to identify the 3 different shapes of bacteria.bacteria.
- 2. What are characteristics of the two kingdoms? General Facts What are the shapes of bacteria? 1. Single celled 2. Prokaryotes 3. Reproduce by binary fission ARCHAEBACTERIA:ARCHAEBACTERIA: Ancient (oldest life form)Ancient (oldest life form) Live in extreme environments (hot, cold,Live in extreme environments (hot, cold, salty, acidic)salty, acidic) EUBACTERIA:EUBACTERIA: Most kinds of bacteriaMost kinds of bacteria Live almost everywhereLive almost everywhere 1. Spirilla – spiral shaped 2. Baccili – rod shaped 3. Cocci – round shaped
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