At present the most likely candidate for the stem hominin is
a. australopithecus anamensis
b. sahelanthropus tchadensis
c. ardipithecus ramidus
d. orrorin tugenensis

What is the formal role of congress on amending the constitution

Drawing on what you have learned in this reading and the previous readings, write a paragraph that describes the role of community colleges in the california education system.

Often, a goby fish and a shrimp will live together in a burrow the shrimp has dug in the sand. the shrimp is almost blind and therefore is unable to see predators approaching when he is outside of the burrow. when the shrimp is in danger, the goby fish touches the shrimp with its tail to warn him. then, both go back into their burrow for safety. which type of relationship does this represent? a. mutualism b. parasitism c. commensalism d. predator/prey