Across
- 2. animals without a backbone
- 4. structures that extend from the central part of the body
- 5. animals that have a notochord, a nerve cord, a tail, and pharyngeal pouches at some point in its life
- 6. animal body plan where the animal can be divided into two parts through a central axis and produce mirror images
- 7. animal body plant where the animal cannot be divided into any two parts that are mirror images
- 9. flexible, rod-shaped structure that supports the body of a developing chordate
Down
- 1. animals with a backbone
- 3. animal body plant where the animal can be divided into two parts that are nearly mirror images
- 8. thick, hard outer coverings that protect and support animals' bodies