Invertebrate Animals Worksheet
Explore the fascinating world of invertebrate animals with this worksheet, covering their characteristics, classifications, and examples.
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Invertebrate Animals
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Read each question carefully and answer to the best of your ability. Good luck!
1. Which of the following is a defining characteristic of invertebrate animals?
They have a backbone.
They are cold-blooded.
They lack a backbone.
They lay eggs.
2. Which group of invertebrates includes animals with jointed legs and an exoskeleton?
Mollusks
Arthropods
Annelids
Cnidarians
3. Sponges are simple invertebrates that filter food from water and belong to the phylum .
4. A starfish is an example of an echinoderm, which means 'spiny skin'. Echinoderms have a unique water vascular system that helps them with and movement.
5. All invertebrates live in water.
True
False
6. Insects are a type of invertebrate.
True
False
7. Describe two different ways invertebrates obtain food.
Match each invertebrate phylum with its characteristic.
8. Porifera
a. Stinging cells
9. Cnidaria
b. Segmented bodies
10. Annelida
c. Filter feeders
Use the words below to complete the sentences.
11. Insects undergo a process called as they develop from larval to adult stages.
12. Snails, clams, and octopuses are all examples of .