How are the respiratory and circulatory systems similar? (5 points) a-Both systems provide glucose and other substances to cells.
b-Both systems regulate blood flow throughout the body.
c-Both systems send messages to the nervous system for breathing.
d-Both systems help remove carbon dioxide from the body.

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer

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.