22635872-Biology-Final

22635872-Biology-Final - IntroductiontoBiology 21,22...

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1 Introduction to Biology 2-1, 2-2 What is Biology? Fields of Study-“ologies” Characteristics of life
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Biology is the study of life, living things. The Characteristics of Life: -Must have cells -Must grow and develop -Must be able to reproduce -Must respond to stimulus -Must obtain and use energy Field of study: Zoology: Animals Microbiology: Small things Marine biology: Ocean life Paleontology: Ancient life, fossils Archaeology: Old cultures Psychology: Human behavior Entomology: Insects Cardiology: Heart Ophthalmology: Eyes Neurology: Nerves Dermatology: Skin Botany: Plants Mycology- Fungus Herpetology: Reptiles 2
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Ornithology: Birds Limnology: Fresh water Ichthyology: Fish Parasitology: Parasites Oncology: Cancer Toxicology: Poisons and Pollution Anthropology: Human kind Scientific Method: Observation State Problem Make a hypothesis Testing with a control (-Observe and collect data) Analyze data Draw Conclusion Retest -A hypothesis-may be disproved by a single experiment -A hypothesis may arise from -Prior knowledge -Logical inferences -Informed, creative imagination -A theory-may be revised or replaced -A hypothesis is only useful if it can be proven 3
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4 Microscope 2-2 Rules of use Microscope vocab Resolution Field of view Depth of field Compound microscope
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Terms: Eyepiece (Ocular) Body tube Objective lenses- 4x, 10x, 40x Turret (nosepiece) Stage Stage clips Light source (lamp, mirror) Coarse adjustment (focus) Fine focus Diaphragm Base Arm 5
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Anton VanLeeuwenhoek: -1600’s -First to discover protist, called them “animalcules” Robert Hooke: -Saw cork wine stoppers and say boxes -Named jail cells, cells. Robert Brown: -Discovered the nucleus by looking at onion skin 6
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Matthias Schleiden: -Botanist -Discovered every plant is made of cells Theodor Schwann: -Zoologist -Discovered every animal is made of cells Rudolf Virchow: -Cell theory 7 + Cell specialization and levels or organization 5-1, 5-2, 5-3,  Cell theory Structure Organelles and their functions Fluid mosaic model of cell membrane
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Cell theory 1. All living things are composed of cells 2. Cells are the basic unit of structure and  function in living things 3. Cells can only come from pre-existing cells Animal Cell: 8
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Plant Cell: Prokaryotic -No nucleus or organelles -Bacteria Eukaryotic -With nucleus and membrane -Bound organelles-made of molecules, fat, etc… 9
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22635872-Biology-Final - IntroductiontoBiology 21,22...

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