The transcribed mrna for the following gene would be

gene: t a c c t g g a c a t

a) u t g g a c c t g t a
b) a t g g a c c t g t a
c) a u g g a c c u g u a
d) u a c a g g u c c a u

imagine a line passing through the center of earth that goes through both the north pole and the south pole. this imaginary line is called an axis. earth spins around its axis, just as a top spins around its spindle. this spinning movement is called earth's rotation. at the same time that the earth spins on its axis, it also orbits, or revolves around the sun. this movement is called revolution.

producers within ecosystems are essential as they are at the base of the food chain. plants are examples of producers. they use the process of photosynthesis to capture light energy and use it to convert simple inorganic substances (carbon dioxide and water) into organic substances (glucose).