16. An organ system is a group of organs that (2 points) O are made up of similar cells.
o work together in performing all the functions in a multicellular organism.
O are made up of similar tissues.
o work together in performing a major body function.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping