Structure and function in living things

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Structure and function in living things

  1. 1. Structure and function in living things<br />STUDY GUIDE<br />With your guide: Sammy cell!<br />
  2. 2. CELLS and structures<br />Cells are the building blocks of all living things.<br />A living thing, or organism, has cells of different sizes and shapes.<br />There are three basic parts of all plant and animal cells:<br /><ul><li>Cell membrane
  3. 3. Cytoplasm
  4. 4. And the nucleus</li></ul>2<br />
  5. 5. What’s the difference?<br />Animal cells <br />Plant cells<br />How are animal and plant cells different? Fill in the boxes above with your answers.<br />3<br />
  6. 6. Different cells, different functions<br />As you already know, different cells perform different jobs…<br />…But did you know cells enjoy teamwork????<br />Cells must work together in groups to perform their job. The diagram below should help:<br />Groups of organs working together<br />Groups of tissues<br />Groups of similar cells<br />4<br />
  7. 7. “plant”ing an idea!<br />Plants come in all shapes and sizes. In fact, there are over 275,000 species of plants!<br />Plants are different than animals though because plants can make their own food. Plants cannot move from place to place like animals can.<br />Vascular plants<br />nonVascular plants<br />5<br />
  8. 8. Let’s talk vertebrates<br />Vertebrates are all animals with backbones. These animals have skeletons inside their bodies to give them shape.<br />There are 5 groups of vertebrate animals. Remember… My Best Friend Always Reads!<br />Can you name the 5 groups<br />of vertebrate animals?<br />6<br />
  9. 9. mammals<br />Mammals…<br />are warm blooded (have a constant body temperature)<br />have fur or hair<br />give birth to their young<br />and produce milk for their young to eat<br />What features classify humans as mammals?<br />7<br />
  10. 10. It’s a bird! it’s a plane!… no really it’s a bird<br />Birds…<br />are warm-blooded<br />have feathers<br />lay eggs<br />and most can fly<br />8<br />
  11. 11. Something’s fishy!<br />Fish…<br />live in water.<br />have gills to breathe underwater.<br />are cold-blooded.<br />Animals that are cold-blooded cannot maintain a constant body temperature.<br />9<br />
  12. 12. Amphibi – What? Amphibians!<br />Amphibians…<br />Are cold-blooded<br />Live on both water and land!<br />Have gills and live in water when they are young<br />Develop lungs and live on land when as they grow<br />Must be near water all the time and lay their eggs there<br />Include frogs, toads, and salamanders.<br />What is one structure that amphibians have that fish do not? Why do amphibians need it, but fish do not? <br />10<br />
  13. 13. Revved up about reptiles!<br />Reptiles…<br />are cold-blooded<br />look similar to amphibians, but have different characteristics.<br />only breathe air<br />have tough waterproof skin<br />lay their eggs on land<br />How are reptiles and amphibians similar? How are they different?<br />11<br />

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