Evolutionary Biologists Believe That the Larger Brains of Early Homo

question 153

Multiple Choice

Evolutionary biologists believe that the larger brains of early Homo babies were also less mature than in earlier hominins, resulting in __________.

• A)a greater likelihood of death at birth
• B)a longer time before the rest of the body could support the head in infancy
• C)a longer period of dependency of infants on their parents
• D)a greater likelihood that a baby's head would get stuck in the pelvic opening

---

Definitions:

Long-run Supply Curve

A graphical representation that shows the relationship between the price of a good and the quantity supplied by producers over a longer period, when all inputs can be fully adjusted.

Break-even Point

The financial state at which total costs and total revenues are equal, indicating that a business or project is neither at a loss nor making a profit.

Shutdown Point

The price and output level at which a firm's revenue just covers its variable costs, below which it is better for the firm to temporarily cease operations.

Short-run Supply Curve

The short-run supply curve illustrates how the quantity of goods supplied by producers changes in response to a change in price over a short period, factoring in some fixed production costs.