What does an uniformity in a sequence of rock layers reveal about geologic history? a. a rock layer must of turned upside down b. a layer of rock might have eroded c. the layers must cover hundreds of square miles d. the layers must have deposited very quickly

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

Give examples of selective advantage of organism’s body part/organ

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.