1. Structure and function in living things STUDY GUIDE With your guide: Sammy cell!

3. Cytoplasm

4. And the nucleus2

5. What’s the difference? Animal cells Plant cells How are animal and plant cells different? Fill in the boxes above with your answers. 3

6. Different cells, different functions As you already know, different cells perform different jobs… …But did you know cells enjoy teamwork???? Cells must work together in groups to perform their job. The diagram below should help: Groups of organs working together Groups of tissues Groups of similar cells 4

7. “plant”ing an idea! Plants come in all shapes and sizes. In fact, there are over 275,000 species of plants! Plants are different than animals though because plants can make their own food. Plants cannot move from place to place like animals can. Vascular plants nonVascular plants 5

8. Let’s talk vertebrates Vertebrates are all animals with backbones. These animals have skeletons inside their bodies to give them shape. There are 5 groups of vertebrate animals. Remember… My Best Friend Always Reads! Can you name the 5 groups of vertebrate animals? 6

9. mammals Mammals… are warm blooded (have a constant body temperature) have fur or hair give birth to their young and produce milk for their young to eat What features classify humans as mammals? 7

10. It’s a bird! it’s a plane!… no really it’s a bird Birds… are warm-blooded have feathers lay eggs and most can fly 8

11. Something’s fishy! Fish… live in water. have gills to breathe underwater. are cold-blooded. Animals that are cold-blooded cannot maintain a constant body temperature. 9

12. Amphibi – What? Amphibians! Amphibians… Are cold-blooded Live on both water and land! Have gills and live in water when they are young Develop lungs and live on land when as they grow Must be near water all the time and lay their eggs there Include frogs, toads, and salamanders. What is one structure that amphibians have that fish do not? Why do amphibians need it, but fish do not? 10

13. Revved up about reptiles! Reptiles… are cold-blooded look similar to amphibians, but have different characteristics. only breathe air have tough waterproof skin lay their eggs on land How are reptiles and amphibians similar? How are they different? 11