SBI3U – Unit 1
Name
Classifying Animals
As you have read, animals are organized into phyla based on similarities and differences in
their structure and way of life.
Procedure
1. Use reference books or the Internet to determine the phylum into which each organism
listed below is classified.
2. Create a table to record the classification of each animal and the characteristics of each
phylum (A, 38 marks)
Questions
3. Which of the animals on the list are invertebrates? Which are vertebrates? (T/I, 19 marks)
4. What is the main difference between invertebrates and vertebrates? (K/U, 3 marks)
5. Which animals on the list are echinoderms? Which are arthropods? What are some of the
main differences between organisms in these two phyla? (T/I, 5 marks)
6. Which two examples on the list are worms? Explain why these species are not in the
same phylum (T/I, 4 marks)
Animal
Leopard seal
Picture
Vertebrate or
Invertebrate
Subgroup
Phylum
Characteristics