migratory bird is a bird that travels from one place to another at regular times often over long distances. ... Most native birdspecies (birds naturally occurring in the United States) belong to a protected family and are therefore protected by theMigratory Bird Treaty Act.
B. Virus. Viruses aren’t considered living because they need a host cell.
DNA is located in the nucleus of the cell, and makes up the chromosome found there. DNA is often called the building blocks of an organism?????