Which natural event produces oxygen, which can then be used by humans and other organisms?

a. evaporation of water

b. respiration by consumers

c. photosynthesis by producers

d. chemosynthesis of sulfide

What happens to a population when the death rate decreases? O A. The birthrate usually decreases. B. The population size usually decreases. O C. The population size usually increases. O D. The birthrate usually increases.

Microorganisms that usually do not cause disease but can cause disease under certain circumstances are termed

Why do navigators measure speed in knots? It is a traditional nautical term. Knots are related to ocean currents. Knots are related to the global coordinate system.

He kidney's ability to concentrate urine depends on the maintenance of an osmolarity gradient between the interstitial fluid of two structures: the cortex and the

If glycogen stores are full and the body's immediate need for energy is met, what happens to the remaining glucose

Describe Three functions of reproduction

What is the primary function of the respiratory system? Question 5 options: 1) Transportation of blood 2) Oxygenate blood 3) Absorption of nutrients 4) None of the above

7 the organisms felis catus and felis silvestris do not belong to the same -

Hich equation shows a disaccharide with the monosaccharides that make it up?

Which of these vessels returns blood to the left atrium of the heart? A) pulmonary veins B) coronary sinus C) superior vena cava D) pulmonary trunk