Anatomical Evidence from Fossilized Hand Bones Suggests That the Precision

question 33

Multiple Choice

Anatomical evidence from fossilized hand bones suggests that the precision grips needed to make and use stone tools was present

• A)only in Homo erectus.
• B)only in Homo habilis.
• C)in Homo habilis and some australopithecines.
• D)in all australopithecine and Homo species.

---

Definitions:

X-intercept

The point at which a line crosses the x-axis on a graph, indicating where the value of the function is zero.

Y-intercept

The point where a graph intersects the y-axis, representing the value of the dependent variable when all independent variables are zero.

X-intercept

The point where a curve intersects the x-axis on a graph, indicating where the function has a value of zero.

Y-intercept

The point where a line or curve intersects the y-axis of a graph.