If the age of the middle layer of a rock sample is between 300 million years and one billion years which of the following could be the age of the lower most layer

Which of the following statements describes how the characteristics of different species of mammals reflect the evolutionary relationships among those species? shared anatomy among mammals, such as hair and mammary glands, suggests that a common ancestral species had these features. similarities in the dna and protein structures of mammal species suggest that these species evolved from a common ancestor. although all modern species of mammals share some features, the differences between them mean they cannot share a common ancestor.

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?

Three applications for admission to a local university are checked, and it is determined whether each applicant is male or female. the number of sample points in this experiment is