Plants and animals are made up of cells so if they didn't have cells they would not be alive. So anything the plant or animals does, uses cells because the orgainsm is made up of them.
60 million years is the answer.
A beef animal born October 10, 2012, considering that we are in 2017, is cattle. Veal calves are less than three months old, calves are less than one year old and cattle are those beef animals that are one year old or older.
Beef carcasses can also be classified into categories according to their maturity. A is equivalent to 9-30 months, B is 30-42 months, C is 42-72 months, D is 72-96 months, and E is >96 months.
