Is water an abiotic or biotic factor?

All living things contain what components? A. oxygen, hydrogen, and carbon B. helium, nitrogen, and iron C. proteins, fats, and carbohydrates D. oxygen, carbon dioxide, and carbon monoxide E. water, hydrogen, and sodium

Which of the choices below are the most important hormone regulators of electrolyte reabsorption and secretion?

All BUT one is a function of the cell wall. That is

Is the biosphere thicker above or below sea level

Which organ will first receive sugars after they are absorbed into the blood?

Lichens represent a symbiotic relationship between A. algae and fungi. B. fungi and rocks. C. animal-like protists and plant-like protists. D. euglena and nitrogen-fixing bacteria.

Why are destructive and constructive forces competing forces

For the body to function normally, the organs and tissues must communicate to control the development of the cells and tissues.

Compare respiratory systems of earthworm, frog and squid. explain how the specimen breathes and which organ are involved.

True or False Individuals evolve by developing traits that are better for survival and reproduction