1. The lemmings and voles are prey for a lot of predators. They are the biggest source of food for carnivores in the forest. They're extinction would have disastrous effects on the ecosystem. What type of species are lemmings and voles for this ecosystem?

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.