Dr. jenkins just completed an experiment. the variable that was measured in her experiment is referred to as the variable.

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

straight or amphibians are homeothermic to thermal

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: