how do you layers of the earth, Tectonic plates, igneous, lithosphere, and asthenosphere work together?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

Color blindedness is a sex-linked trait. if we could see the pedigree chart for several more generations of the family illustrated here, we would expect a) more males to be color blind. eliminate b) more females to be color blind. c) no females to ever be color blind. d) an equal number of males and females that are color blind.

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?