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Lilleshall Primary School

Working Together for Excellence and Enjoyment


Lesson 1: Identifying and Classifying Animals of the Sea

Because there are millions of different kinds of organisms in the world, scientists have come up with ways to group
them so that they are easier to identify. 
Have a look at the "Under the Sea Slides" - these will explain how we can group and classify animals living in the sea. 


  • How many different sea animals can you think of?  How could we group these animals?
  • Do you know what these words mean: vertebrate, invertebrate,mammal, crustacean, mollusc, amphibian, reptile?


Use the resources on the link below to complete the following activities: 

Activity 1: Have a look at the two pages of picture cards. How could you classify these animals into different groups? For example, has a shell or no shell (Use the headings on worksheet 2A to help you if needed). 


Activity 2: You will need Worksheet 2C. Research as many sea animals as you can to fit into each of the categories on the worksheet (mammal, crustacean, mollusc, amphibian, reptile).


Lesson 2: Create a Habitat fact file. 

Choose either Rivers or Oceans.  Use the links below and within the Planet Earth page to help you.  You may also use your own research 😊


Exploring Rivers – Freshwater habitats

What can you find living in a river?

Why are they important?


Habitats – Oceans, coasts and seashores

Some habitats are shallow, sunny and warm. Others are deep, dark and cold. Plant and animal species are able to adapt to certain habitat conditions, including movement of water, amount of light, temperature, water pressure, nutrients, availability of food, and saltiness of water. Ocean habitats can be divided into two: coastal and open ocean habitats.