Which of the following would you classify as something other than an animal?
A) sponges
B) coral
C) jellyfish
D) choanoflagellates

Physical characteristics of down syndrome

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.

What kinds of molecules can pass through the cell membrane without any problem?