Examine the Lucy (Australopithecus afarensis) skeleton. Describe at least two postcranial (below the head) traits that indicate that Australopithecus afarensis was adapted for bipedalism.

Defend or refute the argument that the government has too large a presence in the agriculture industry.

An animal cell (left) and a plant cell (right) are shown. which organelle, labeled x in the diagram, is found in both plant and animal cells?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes