What is Suckling? How does it help an organism survive?
Suckling is to give milk to from the breast or udder. The organism draws the nipple and much of the breast tissue into his/her mouth. The organism then moves its tongue around on the underside part of the nipple, the rolling motions squeezes the milk from the breast into the middle part of the mouth. Suckling helps an organism survive by the organism being able to get the proteins and nutrients it needs.
The calf is sucking the mothers udder for milk.
Baby pigs are drinking milk from the mothers udder.
The baby lamb is sucking milk from the mother udder.
What is Migration? How does it help an organism survive?
Migration is the instinctive, seasonal movements of animals. Migration is found in all major animal groups including birds , mammals, fish, reptiles, amphibians, insects and crustaceans. Animals will migrate when the season is cooler and they would go to the warmer parts of the world. Migration helps and organism survive because if the animal didn't migrate it could easily freeze to death and or not be able to find food.