Why is there limited vegetation in the tundra?

What organic compound used for stored chemical energy

What is the overall reaction for cellular respiration?

14. In 1914 the Passenger Pigeon ceased to exist. Hunting and habitat loss caused this extinction. Recently scientists have tried putting Passenger Pigeon DNA from preserved specimens of the birds into unfertilized eggs of their close relatives,

What do the ductus arteriosus and the foramen ovale become at birth?

Maggie is sitting at a table with Fred and Florence. Maggie has 10 markers, but Fred and Florence each have only 7 markers. How can they share markers so each has 8?

The process of transducing air pressure waves into neural messages that the brain interprets as meaningful sound is known as

Why does photosynthesis require water? a. because water provides oxygen atoms. b. because water provides electrons. c. because water accepts electrons. d. because water acts as a catalyst.

An education guess or rational explanation about a specific phenomenon

What are the technical name for red blood cells white blood cells and platelets?

What are the resources of the ocean