Key Vocabulary
Tortoise: a turtle, typically an herbivorous one that lives on land.
Keystone species: a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically
Burrow: a hole or tunnel dug by an animal as a dwelling/home.
Commensal species: a species that benefits from another species by obtaining locomotion, shelter, food, or support from the host species, which neither benefits nor is harmed.