What is the cell membrane so important? A) Because only prokaryotes have it
B) Helps maintain homeostasis (Equilibrium) by regulating which materials enter and leave the cell
C0 It acts as a barrier between the inside of the cell and the outer environment.

Explain the significance of the increased cell specialization of the volvocine line

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent  

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.