Which of the following statements is true in relation to animals of the Harappan Culture?

All of the above.

Bones found at Harappan sites indicate cattle, sheep, goats, buffaloes and pigs domestication.
Archaeo-zoologists or zooarchaeologists study animal bones to understand domestication patterns and animal exploitation.
Bones of wild species like boar, deer, and gharial are also found, suggesting the presence of domesticated and hunted animals.
Fish and fowl bones are also discovered at Harappan sites, indicating the consumption of aquatic and avian resources.