This causes pieces of the continental crust to crack and pull apart. Some slabs of the crust sink, causing a rift zone. If the lithosphere continues to spread, a narrow sea can form. Continued spreading produces an ocean basin and ridge system.
Confidence votes 3. a tiger is a mammal because they give milk to their young and produce milk. They breath the air form of oxygen and produce milk. They fulfil the criterion that need to be fulfilled by a mammal. Thse being that they are warm blooded, animals that give birth to live young and sucle them.
In the same way as other Tiger species, the White Tiger is a carnivorous animal meaning that it only hunts and eats other animals in order to gain the nutrition that it needs. The White Tiger is an apex predator in its environment, hunting its prey by stalking it stealthily in the darkness of night.