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Introduction to Scientific Classification and cells
- 1. Every living thing on this earth is made out of the same thing! Believe that?
- 2. If you were going to divide everything on earth into just two groups, what would the groups be?
- 3. What is the difference between a rock and a tortoise?
- 4. Organisms react to their environment • The rain falls on both the rock and the tortoise. • Only the tortoise, though, can get thirsty and drink the water.
- 5. Most Organisms Can Move •A tortoise can move into sunlight to get warm. •A rock can’t
- 6. ORGANISMS THINGS THAT ARE ALIVE (OR WERE ONCE ALIVE) ARE CALLED ORGANISMS
- 7. What category would you put these stuffed deer heads in?
- 9. All living things (organisms) are made out of the same building blocks
- 11. NO, not LEGOS But close….
- 12. CELLS ARE THE BUILDING BLOCK OF ALL ORGANISMS Organisms are all just a collection of cells, but, like LEGOS, cells can be combined in many different ways to make different organisms .
- 13. All organisms are made of cells.
- 14. The simplest organisms have just one cell
- 16. You are made up of many millions of cells.
- 17. A complicated organism like a human being has many different kinds of cells.
- 25. HOW WOULD YOU DIVIDE ALL ORGANISMS INTO 2 GROUPS?
- 27. WHAT MAKES PLANTS DIFFERENT FROM ANIMALS? Plants make their own food. They don’t need to eat. They can make energy from sunlight and water, using carbon dioxide, which is what we breathe OUT
- 28. Sunlight Without sunlight, there wouldn’t be any life on earth at all!
- 29. Plants •Without plants, animals would not be able to get energy. •Without energy, animals would not be able to live. •Without plants, there wouldn’t be any animals at all!
- 30. Think about what it would be like to be a plant. You would never have to go to the grocery store.
- 31. How would your family’s life be different if your family didn’t have to spend time looking for food or making money to buy food?
- 33. Plant cells and animal cells are a little different
- 34. Plant cells have chloroplasts and cell walls. Animal cells don’t.
- 38. Both animal and plant cells have: 1.Nucleus 2.Cytoplasm 3.Vacuole 4.Cell membrane 5.Mitochondria
- 39. Every cell has a cell membrane. It keeps good things in and bad things out of the cell. This is a picture of a real cell membrane.
- 40. Cytoplasm Cytoplasm is a jelly that holds everything inside the cell in place, like packing material.
- 41. What does this have to do with Cytoplasm?
- 42. NUCLEUS •The nucleus is the brain of the cell. •Almost all cells have a nucleus.
- 43. Nucleus In this cell model, the orange is the nucleus.
- 44. Can you find the nucleus in this cell model?
- 45. Mighty Mitochondria •All cells have mitochondria. •This is the power plant of the cell. •Think “Mighty Mitochondria”
- 47. Mighty Mitochondria In this photograph of a real cell, the nucleus is blue and the mitochondria are red.
- 49. This is a real Mitochondrion.
- 50. In this cell model, the blue cookies with the frosting are the mitochondria.
- 51. Mighty Mitochondria In this cell model, the orange pellets are the mitochondria.
- 52. Mighty Mitochondria In this model, the pink and green candies are the mitochondria
- 53. Vacuole •In an animal cell, the vacuole fills with food being digested and waste material that is on its way out of the cell. •Think of the vacuole as a vacuum cleaner for the animal cell.
- 54. VACUOLE IN ANIMAL CELL The white cotton ball is the vacuole in this animal cell model.
- 55. Can you see the vacuole in this one-celled animal?
- 56. PLANT CELL VACUOLE The big brown bean-shaped structure is this plant cell’s vacuole.
- 57. VACUOLES When a plant is well- watered, water collects in cell vacuoles producing rigidity in the plant.
- 58. When a plant doesn’t have enough water to fill up its vacuoles, the plant wilts.
- 59. VACUOLES In this model, the big blue blobs are the vacuoles
- 60. Remember the two things plant cells have that animal cells don’t have: chloroplasts and cell walls .
- 61. CHLOROPLASTS Plant cells have something animal cells don’t: CHLOROPLASTS These are the kitchens of the cell.
- 62. •This is a picture of a real cell. •The things that look like pickles are chloroplasts
- 64. Plant cells have : 1.Chloroplasts that make their food. 2. Thick Cell Walls Animal Cells don’t have these. Poor animal cells!
- 65. Isn’t this a beautiful cell wall?
- 66. Plant Cell In this model, the sides of the box are the cell walls
- 67. Animal cells don’t have cell walls. Plant cells do!
- 68. What are the two things plant cells have that animal cells don’t have?