When considering ecosystem biodiversity, why would it be dangerous to treat each ecosystem as an isolated environment? 1. each ecosystem has a constant and consistent number of predators
2. rainfall is global occurrence that impacts every ecosystem on the planet
3. environmental conditions appearing in one ecosystem may appear in another
4. there are complex interactions that take place between ecosystems
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Convert 0.14 kilograms to grams. grams

Aperson with age is more likely to catch diseases that healthy people usually don’t catch. what are these infections called?

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.