Why is the water cycle so critical to all ecosystems
A. Water provides energy to producers
B. Water is the base of all food chains
C. All living things need water in order to survive

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.