Which phrase best describes the biosphere? a. human life, oxygen, and water are found in this sphere. b. all living things on the earth are found in this sphere. c. all plants and animals on the earth are found in this sphere. d. all things necessary for life on the earth are found in this sphere.
this is senine

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

Number and variety of living organisms includes genetic, species, and ecological types

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes