Which of the following can result in a population looking more similar over time and can be described as selection against both extremes of a trait? a. directional selection b. stabilizing selection c. disruptive selection d. species selection

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Ais a group of individuals of the same that exist together in the same place at the same time

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen