Microbes the micro organisms seen by microscope
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This document discusses different types of microorganisms. It identifies six main types: fungi, algae, bacteria, archaea, viruses, and protozoa. Fungi grow on decaying matter and spread spores. Algae are essential as they produce oxygen and were the first living species to evolve respiration. Bacteria can cause disease or be useful, and come in different shapes. Archaea are prokaryotes without cell nuclei. Viruses act as non-living outside cells but living inside when they infect cells. Protozoa are single-celled eukaryotes that feed on organic matter or tissues.
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Module 7 Overview
Origin and Classification of Life
The origin of life has been of great debate for centuries.Ìý This module will outline the various ideas of how life and Earth itself developed.Ìý You will learn the evidence for multiple theories on the origin of life and the evolution of these theories based on new scientific findings.
This module will also focus upon one of the most important achievements of the science of biology: the classification of organisms and the creation of an internationally agreed upon system of nomenclature.Ìý Understanding how organisms are classified provides an important basis for any future studies in ecology.
Learning Objectives
Upon completion of this module, you should be able to:
10A
Describe the evidence used to suggest an extraterrestrial source for life on earth.
10B
State the most probable physical conditions on early Earth and the changes thought to have happened before life could exist.
10C
Differentiate between the concepts of spontaneous generation and biogenesis.
10D
Examine the chemical and physical events that must have occurred to have life originate on Earth.
10E
Describe the different hypotheses for what the first living thing might have been like.
10F
Identify the way in which organisms have caused the atmosphere of the earth to change.
10G
State the order and approximate times for major evolutionary events.
10H
Examine the endosymbiotic theory.
10I
Explain the experimental evidence for the origin of life from organic and inorganic material.
10J
Distinguish between taxonomy and phylogeny.
10K
Describe the kinds of tools used to establish phylogenetic relationships.
10L
Distinguish among viruses, viroids, and prions.
10M
Describe the scientific method for naming organisms.
11A
List and give distinguishing characteristics of the kingdoms within the Domain Eukarya.
11B
Distinguish between Bacteria and Archaea.
11C
Explain the features that differentiate organisms as microbes.
11D
List the basic characteristics of members of the Protista, Archaea, Bacteria, and Fungi.
11E
Identify the type of environments in which microorganisms live.
ModuleÌý7 Reading Assignment
Enger, E. D., Ross, F. C., & Bailey, D. B. (2012).Ìý Concepts in biology (14th ed.). New York: McGraw-Hill. Chapters 19, 20, and 21.
Optional Reading Assignment:
Chapter 22, The Plant Kingdom, and Chapter 23, The Animal Kingdom.
Origin and Classification of Life
Scientists have broken down life into domains of organisms.Ìý Scientists believe that at first life, there was first the bacteria domain.Ìý The bacteria domain was followed by the archaea domain and finally, the eucarya domain.Ìý Domain bacteria and domain archaea remain the same and have not been further broken down.Ìý Domain eucarya was further broken down into the plant kingdom, the fungi kingdom, and the animal kingdom.
Organisms live on, in, and within all types of environments.Ìý Organisms can be found from pole to pole and everywhere in between.Ìý This includ ...Class 8 microorganisms at 1pm 16th april
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Microorganisms can be beneficial or harmful. They are classified into five major groups - bacteria, viruses, protozoa, algae, and fungi. Bacteria are single-celled prokaryotes that can be beneficial, parasitic or saprophytic. Viruses are not considered living but can only replicate inside host cells. Protozoa are single-celled organisms that can cause diseases. Fungi include multicellular and unicellular organisms that reproduce via spores. Microorganisms are used in food production, medicine development, pollution reduction and nitrogen fixation in plants. However, they can also cause diseases and food poisoning in humans, animals and plants.Microbiology -Bacterial Growth & nutrition
Microbiology -Bacterial Growth & nutritionNistarini College, Purulia (W.B) India
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This document provides an overview of microbiology and microbial nutrition and growth. It defines microbiology as the study of microorganisms including bacteria, archaea, algae, fungi, protozoa and viruses. It describes how microbes play important roles in various environments and human life. It then discusses the major groups of microorganisms and their characteristics. Finally, it covers microbial nutrition, growth conditions and factors that influence growth.microbiology branches.pptx
microbiology branches.pptxD. JASMINE PRIYA
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Microbiology is the study of microorganisms like bacteria, fungi and viruses. There are several branches of microbiology including bacteriology, mycology, virology and parasitology.
Bacteriology is the study of bacteria and their characteristics such as their cell structure, genetics and role in causing disease. Bacteria can be classified based on their shape, cell wall composition, mode of nutrition and respiration. They reproduce through binary fission.
Mycology is the study of fungi which have cell walls made of chitin. Fungi are classified based on their sexual reproduction and morphology. They can reproduce sexually through spores or asexually through budding or hyphal growth.
ViroThe Microscopic World: Exploring Microorganisms and Their Impact
The Microscopic World: Exploring Microorganisms and Their Impactumarhabib2005
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This presentation delves into the fascinating world of microorganisms, highlighting their incredible diversity, significance, and impact on life as we know it. Starting with the groundbreaking discoveries of early scientists like Zacharias Janssen, Galileo Galilei, and Antony van Leeuwenhoek, it traces the journey of understanding these invisible entities that exist at the frontier of life.
Through detailed exploration, we define microorganisms, their beneficial and harmful roles, and their classification, including bacteria, archaea, fungi, algae, protozoa, viruses, prions, and viroids. The presentation sheds light on their unique characteristics, ecological importance, and the critical roles they play in medicine, agriculture, industry, and the environment.
By examining topics such as the structure, size, reproduction, and classifications of various groups, we aim to provide a comprehensive understanding of the microbial world. Additionally, we explore their dual nature: as both vital allies in processes like fermentation and bioremediation and as dangerous pathogens causing diseases in humans, animals, and plants.
This presentation emphasizes the importance of microorganisms in shaping life on Earth while showcasing the need for continued research and innovation in microbiology to harness their potential and mitigate their threats.This presentation also explores the advancements in microbial research and its implications for biotechnology, medicine, and environmental science. With the rise of antibiotic-resistant bacteria, the importance of understanding microbial life has never been more critical. Through the lens of microbial evolution and ecological interactions, we examine how microorganisms influence global processes, from nutrient cycles to climate regulation. Additionally, we highlight the cutting-edge techniques used to study microbes, such as genetic sequencing, microscopy, and bioinformatics, which are revolutionizing the field. By showcasing both the beneficial and harmful aspects of microbes, the presentation aims to inspire curiosity about the unseen world and its profound influence on our daily lives and the planet.1.-KINGDOM-ARCHAEBACTERIA-EUBACTERIA (1).pptx
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Prokaryotes are unicellular organisms that lack membrane-bound organelles and nuclei. They have cell walls for protection and genetic material contained in a nucleoid. The two kingdoms of prokaryotes are Archaebacteria and Eubacteria. Archaebacteria include thermophiles that thrive in heat, halophiles in high salt environments, and methanogens that produce methane. Eubacteria are more commonly known as bacteria and have cell walls containing peptidoglycan. They reproduce through binary fission and are classified based on their mode of nutrition as either autotrophic or heterotrophic. Common pathogenic bacteria on Earth include Propionibacterium acnes, Mycobacterium tuberculosis, and Eschermodule 9 biology.pdf
module 9 biology.pdfSitamarhi Institute of Technology
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1. A species is defined as a group of organisms that can reproduce and produce fertile offspring. Species are classified based on similar DNA, morphology, and ecology. Strains are genetic variants within a species.
2. Microorganisms are classified into six major types - bacteria, archaea, fungi, protozoa, algae, and viruses. They are identified using techniques like DNA sequencing, microscopy, and growth kinetics.
3. Microorganisms play important roles in ecosystems through decomposition, nutrient cycling, and symbiotic relationships. They are also used in industrial processes like fermentation which requires sterilization of equipment and growth media.microorganism : friend and foe
microorganism : friend and foeTushar Solanki
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comment if you like it
micro, microorganism, friend , foe, science , activity, 8th class
types of microorganism
types of bacteria
fungus protozoa
algae
viruses
diseases
Microbiology-1
Microbiology-1Nistarini College, Purulia (W.B) India
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The document discusses the hierarchical classification of microbes and their position in the tree of life. It describes Whittaker's five kingdom system and Woese's three domain system. The three domain system divided all life into Archaea, Bacteria, and Eukarya based on rRNA sequences. This system helped reclassify microbes and changed perceptions of their evolutionary relationships.Bacteria General Characteristics.pptx
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This document discusses the general characteristics of cellular and acellular microorganisms. It focuses on bacteria, describing them as single-celled prokaryotes without organelles or nuclei. Bacteria reproduce through binary fission and can exchange genes through horizontal transfer. The document outlines bacterial cell structure, shapes, whether they are aerobic or anaerobic, and some important terms related to bacteria.Microbiology
MicrobiologyMicrobiology
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This document provides an overview of microbiology and microorganisms. It defines microbiology as the study of microbes and describes several types of microbes including bacteria, archaea, fungi, protozoa, algae, and viruses. The document also discusses the history of microbiology, highlighting early scientists like van Leeuwenhoek, Redi, Needham, Spallanzani, and Pasteur and their important contributions to proving that spontaneous generation does not occur and that all life arises from preexisting life through biogenesis. It concludes with microbiology becoming firmly established as a science in the late 19th century.Scope-and-history-of-Microbiology.pdf
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This document provides an overview of the history and key contributors to the development of microbiology. It discusses early microscopists like Hooke and van Leeuwenhoek and their discoveries of cells and microorganisms. It then outlines the debate between spontaneous generation and biogenesis theories, with experiments by Spallanzani and Pasteur supporting biogenesis. Major contributions of Pasteur, including disproving spontaneous generation, developing pasteurization and germ theory of disease, and pioneering vaccine development are summarized. The document also briefly mentions contributions of Redi, Needham, Tyndall, and their experiments related to sources of microbes and disproving spontaneous generation.
Bmb 103(Agriultural microbiology)
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This document provides an introduction to the field of microbiology. It discusses the following key points in 3 sentences:
1. Microbiology is the study of microorganisms like bacteria, fungi, algae, protozoa, and viruses. Major groups include bacteria, algae, fungi, protozoa, and viruses. Microorganisms play important roles in nature, industries, causing diseases, and more.
2. The discovery of microorganisms began in the 1600s with Anton van Leeuwenhoek's microscope observations of "animalcules". However, microbiology emerged as a science in the late 1800s with advances like germ theory and pure culture techniques.
3. Louis P10 fungi
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Nighthawk is a concept for a NASA
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landing and explorationMicrobes the micro organisms seen by microscope
- 1. MICRO ORGANISMS Our topic today is
- 2.  Micro organisms are the living beings which we cant see with our naked eyes they are too small which is in size of micrometers .  They are only seen in a powerful microscope  They are also called as (‘Microbes’)  There are six types they are  Fungi  Algae  Bacterium  Archaea  Virus  Protozoa
- 3. FUNGI  Fungi are the microbes they grow on dead/decaying matter  They release their microscopic threads called (‘Hyphae’) and spread some digestive chemicals called (‘Spores’)
- 4. ALGAE ï‚¢ Algae are the microbes which grow in water they are essential to earth they produce oxygen ï‚¢ There are around 27,000 types of algae ï‚¢ They are first living species on earth which have respiration
- 5. BACTERIUM ï‚¢ These are the microbe groups which may cause diseases or they may be useful ï‚¢ They are unicellular organism ï‚¢ They may be spherical or spiral or few micro- meters long tube shape ï‚¢ They are located everywhere in the world
- 6. ARCHAEA ï‚¢ These microbes are prokaryotes, meaning they have no cell nucleus. Archaea were initially classified as bacteria, receiving the name archae bacteria, but this classification is outdated.
- 7. VIRUS ï‚¢ Virus are the microbes which interlink between living and non living things ï‚¢ They act as living organisms when they entered the cell when they are out side of cell they act as non living things ï‚¢ They are 6 types of viruses they are HIV , Ebola , Hepatitis-B , Adenovirus , Influenza , Bacteriophage
- 8. PROTOZOA ï‚¢ Protozoa are the microbes which is single- celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris
- 9. FACTS  Some areas in Indian ocean bright in night times because of algae which release light called ‘Dinoflagellata’ .  Human bytes is one of the most dangerous bytes because of bacteria present in our teeth