Life Processes, Cells & Classification (Worksheet 6) Answers
Invertebrates
Scientists use classification to sort all living organisms
into groups. Animals are split into two groups - Vertebrates (animals with
backbones) and Invertebrates (animals without backbones).
Invertebrates are split into six groups:
| 1. Cnidarians |
| 2. Flatworms |
| 3. Roundworms |
| 4. Segmented worms |
| 5. Molluscs |
| 6. Echinoderms |
From the characteristics listed below, can you name the correct group within the Vertebrate classification?
| 1. | They have a flat body and a
mouth at one end. |
Answer: Flatworms | |
| 2. | Their body is divided into
segments. |
Answer: Segmented worms | |
| 3. | They have a shell and a
muscular root. |
Answer: Molluscs | |
| 4. | They have a long thread-like
body. |
Answer: Roundworms | |
| 5. | They have spiny skins and a
pattern of five parts. |
Answer: Echinoderms | |
| 6. | They have sac-like bodies
with tentacles. |
Answer: Cnidarians |