The frog population in the Amazon basin varied. Every 500 years, there was a mutational change leading to speciation. In between, the population remained the same with no observable changes. What pattern of macroevolution determined this change? A. Gradualism
B. Adaptive radiation
C. Punctuated equilibrium

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Describe the trends in electron configuration in the periodic table by selecting the terms from the drop down menus

What determines how quickly blood dries?