A diagram representing the relationship between photosynthesis and cellular respiration is shown below. The numbered boxes in the diagram represent which of the following?
1 - water; 2 - nitrogen
1 - nitrogen; 2 - oxygen
1 - Carbon dioxide; 2 - water
1 - oxygen; 2 - Carbon dioxide

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

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

Each hereditary trait corresponds to