What is an isochron? * A) a line on a seafloor map that marks a mid-ocean ridge
B) a point on a seafloor map that has a magnetic reversal
C) a line on a seafloor map that connects points of equal age
D) a line on a seafloor map that connects points of equal elevation

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?