Biology: The a nature and variety of living organisms

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1. Examples of organisms

  • Vegetables, mammals, mushrooms, HIV
  • Animals, lactobacillus, tobacco, pathogens, protein
  • Cereals, mammals, yeast, chlorella, lactobacillus, influenza virus
  • DNA, cholera, insects, beans
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2. What are the features of viruses?

  • Protein coats, small, these of other organisms, single cells, chloroplasts
  • Protein coates, genetic material, different shapes and sizes, infects all type of living organisms
  • Particles rather than cells, smaller than bacteria, only reproduce inside living cells, in effect all types of organisms, come in all different shapes and sizes, do not have a cellular structure, have a protein coat around some genetic material
  • Have a nucleus, small, reproduce, infect all types of living organisms

3. What is meant by the term pathogen?

  • A pest that can cause disease
  • An organism that protects you from diseases
  • An organism that causes disease
  • Something that makes you ill

4. What are the characteristics of protoctists

  • Like animal cells, have a chloroplasts, singles celled and microscopic
  • Like plant cells and animal cells
  • Single celled, have chloroplasts
  • Single celled, microscopic, have chloroplasts, like animal cells, have a nucleus, feed off of other organisms

5. What are the features of animals?

  • Do not have cell walls, have a nervous system, usually move around, store carbohydrates in a form of glycogen, do not have chloroplasts, multicellular
  • Multicellular, do not have chloroplasts, do not have cell walls, move around
  • Nervous coordination, have chloroplasts, have cell walls, move around, storecarbohydrates
  • Have cell walls, do not have chloroplasts, move around, store carbohydrate

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