-Refer to Figure 5-1

question 88

Multiple Choice

-Refer to Figure 5-1. Arnold's marginal benefit from consuming the second burrito is

• A) $1.00.
• B) $1.50.
• C) $2.00.
• D) $4.50.

---

Definitions:

Determinate Cleavage

Type of cleavage, characteristic of protostomes, in which the fate of each cell is determined when the cell is produced. Compare with indeterminate cleavage.

Deuterostomes

A group of animals characterized by their embryonic development; during which the anus forms before the mouth.

Protostomes

Protostomes are a group of animals characterized by an embryonic development in which the mouth forms before the anus during early gastrulation.

Evolutionary Development

The study of how evolutionary processes guide the development of organisms.