Final answer:
The people on Mangerva survived by eating a variety of foods including wild animals, crops from their gardens, and insects and roots.
Step-by-step explanation:
The people on Mangerva ended up eating a variety of foods to survive, including wild animals, crops from their gardens, and insects and roots. Their diet was dependent on the environment in which they lived. In lush and warm environments, they had access to a variety of edible plants and animals, while in colder environments, they relied more on animals and fish. Hunting likely focused on smaller animals and land animals were either scavenged or hunted.