Teacher María - Castra 3º A

              6. WHAT ARE THE MAIN TYPES OF ECOSYSTEMS?                There are many different types of ecosystems in the world.                       We classify them into  terrestrial ecosystems  on land and  aquatic ecosystems  in water.          Terrestrial ecosystems.          Aquatic  ecosystems.           Aquatic ecosystems can be saltwater or freshwater. ACTIVITIES             1º) Write in your notebook.           2º) Complete:

             5. WHAT ARE OTHER RELATIONSHIPS IN ECOSYSTEMS?            Apart from food chains, there are other relationships between living things in an ecosystem.                    1. Relationships within the same species.          2. Relationships between different species.                                                             ACTIVITIES           1º) Write in your notebook.           2 º) Write in your notebook.           3 º) Write in your notebook.                     4 º) Read the sentences and circle the type of relationship within the ...

        4. FOOD CHAINS AND FOOD WEBS. ACTIVITIES           1º) Write in your notebook.           2º) Cut and paste the pictures into the correct boxes:            3º) Complete:           4º) Write and colour.            5º) Write in your notebook.            6º) Write in your notebook.            7º)The diagram of a food web is given. Answer the following questions related to it.               a) Name two producers in the food web.               ______________________________________________________                            b) Name three herbivores in the food web.               __________________...

        3. HOW DO LIVING THINGS OBTAIN  FOOD?           In every ecosystem, all the living things need to find food. Some living things feed on other living things.           According to how they obtain food, living things in ecosystems are  producers , consumers and descomposers.                                                       NOTEBOOK ACTIVITIES             3º) Complete:                4º)   Follow the instructions:                5º)   Complete the columns with 4 producers, 4 consumers and 4 decomposers.                         ...