Nervous System of Annelids and Arthropods
Across
- 2. The nerve cords of annelids and arthropods are segmented, containing pairs of ___ in each segment.
- 5. Arthropods have a ___ nerve cord.
- 7. Annelids have a closed ___ system, while arthropods have an open ___ system.
- 10. Annelids have both ___ and subpharyngeal ganglia.
- 12. The fact that arthropods have distinct heads while annelids do not is an example of the trend towards ___.
- 14. The segmentation present in annelids and arthropods allows for more complex ___ plans.
Down
- 1. Annelids and arthropods are ___.
- 3. Annelids have a similar structure to ___.
- 4. The nervous system of arthropods consists of a nerve cord and a dorsal ___.
- 6. Annelids are also know as ___ worms.
- 7. Both annelids and arthropods have a ___ nervous system.
- 8. Arthropods have a ___ system, while annelids do not.
- 9. Both annelids and arthropods have ___ bundles between the ganglia in each segment of their nerve cord.
- 11. Annelids and arthropods reproduce ___.
- 13. The ganglia in the nerve cord of arthropods is ___.