12) One section from one tetrad will change places with a section of another tetrad, this process is called

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.

Which characteristics are typical of a human population in the postindustrial stage?

Adistinctive characteristic of mammals that is not observed in other vertebrates is