Part A: Analyze Figure 1 to answer questions 1 to 3 Figure 1: Blood Group Percentages including Blood Type and Rh Factor

. What is the most common blood group (Type and Rh factor)?

A Positive

O Positive

B Positive

AB Positive
What is the rarest (least common) blood group (Type and Rh factor)?

A Negative

O Negative

B Negative

AB Negative
What percentage of people have Type A blood (either Rh positive or negative)

6%

34%

40%

48%

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems