The famous "lucy" skeleton was a member of which of the following species?
a. australopithecus anamensis
b. ardipithecus ramidus
c. australopithecus afarensis
d. australopithecus africanus

Australopithecus afarensis

Explanation:

Lucy was the first Australopithecus afarensis species found. It represents 40% of the skeleton of a female. It was discovered in Africa in 1974, near the village Hadar in Awash valley of Afar triangle, Ethiopia and is dated about 3.2 million years ago. Notable characteristics includes rib cage and plant based diet, cranial specimens, pelvic girdle, ambulation etc.

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.