Final answer:
The group of islands in California that shares the same name as a group in the British Isles is the Channel Islands.
Step-by-step explanation:
The group of islands in California that shares the same name as a group in the British Isles is the Channel Islands. Santa Cruz Island, located off the coast of California, is part of the Channel Islands National Park and has diverse habitats such as steep cliffs, caves, and sandy beaches.