Alichen is actually composed of two organisms: a fungus and an alga. they depend on each other for survival. the most specific term that describes their relationship is

What molecules does hemoglobin decay into over time

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

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