Negative feedback mechanisms are common among plants and animals while positive feedback mechanisms are very rare. Why are negative feedback mechanisms so much more prevalent?
A) Positive feedback mechanisms have a higher energy cost.
B)Negative feedback mechanisms provide energy for cell growth.
C)Positive feedback mechanisms evolved much later than negative feedback mechanisms.
D)Only negative feedback mechanisms lead to homeostasis, important for life.

Select the correct answer.which scenario describes unethical lab behavior? a.danny stores the chemicals required for his experiment in flasks and beakers.b. anna publishes the results of her experiment on the growth rate of saplings.c. jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.resetnext

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Types of scientific inquiry that biologist engage in that cannot be completely controlled