Habitat.
an ecosystem
Diplomonads and parabasalids are two groups that have adapted to anaerobic conditions.
Speciation if members from different groups can no longer produce fertile off-spring.
Lemurs have been in existence for more than 50 million years. They have adapted from solitary animals to live in groups of more than 30. Most are nocturnal and the whole group takes care of the young. In order to survive, Lemurs moved to Madagascar and continue living there today.
flying
No, animals that live in groups, or packs, actually tend to hunt larger animals. For example lions, they hunt in groups and take down some of the largest land animals in the world.
Most animals do not live in family groups. Some animals that do include horses, lions, and dolphins.
they huddle up in groups and they have lots of blubber around them
Each group adapted to it's own environment
Pirotecs
He divided animals into two groups- those with red blood and those without it.
vertebrates and invertebrates