Kendra is a 15-year-old girl who has been experiencing menstruation since she was 12 years of age. during her monthly period she loses some hemoglobin, the matter in red blood cells that carries oxygen. in order to replace this hemoglobin in her body, she should make sure she eats a diet that has adequate amounts of a. potassium c. vitamin d b. iron d. riboflavin

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

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth