(sufficient space and proper facilities).
The bridge between these two schools of thought is . Modern science has proven that many animals—not just mammals, but birds, cephalopods (like octopuses), and even some insects—possess the capacity to feel pain, joy, and boredom. (sufficient space and proper facilities)
(providing an appropriate environment and shelter). cephalopods (like octopuses)
(access to fresh water and a healthy diet). (sufficient space and proper facilities)
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