The fossil record of birds is incomplete because bird skeletons are

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

Which prefix mean under less or below