Across
- 1. (7 letters): Snails, clams, and octopuses belong to this phylum.
- 4. (14 letters): Flatworms, some of which can be parasitic, belong to this phylum.
- 6. (6 letters): The simplest animals, often known as sponges.
- 7. (12 letters): Starfish and sea urchins are members of this spiny-skinned phylum.
Down
- 2. (9 letters): The largest animal phylum, including insects, spiders, and crustaceans.
- 3. (7 letters): Jellyfish and coral are examples of animals in this phylum.
- 5. (8 letters): Humans are a part of this diverse phylum, which includes vertebrates.
