HELP PLEASE In humans, brown eyes are dominant to blue eyes. A
cross between a heterozygous brown eyed individual and
a recessive blue eyed individual would result in a
phenotypic ratio of:
A. 9:3:3:1
B. 1:2:1
C. 3:1
D. 1:1

Scientific method and data analysisa biology student wanted to determine if there is a relationship between resting heart rate and bodyheight. she gathered information from 12 classmates and constructed the table below.resting heart rate (beats per minute)student height (cm)155. 156156165180180190194195

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.