Which of the following is NOT true of
erythrocytes?
They carry both oxygen and carbon dioxide at various times.
They pick up carbon dioxide from the cells/tissues.
They make up 45% of your total blood volume.
They transport oxygen from the body back to the lungs.

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.

that's all i luck!