One Difference Between Early Development in Humans and in Xenopus

question 22

Multiple Choice

One difference between early development in humans and in Xenopus (frogs) is that _____.

• A)in humans,there is no formation of the blastula;in Xenopus,the blastula is a critical stage in early embryogenesis
• B)in humans,blastocysts implant into the uterine wall;there is no implantation in Xenopus
• C)in humans,gastrulation is delayed as the egg moves along the fallopian tube;in Xenopus,gastrulation takes place immediately after blastula formation
• D)in humans,the yolk sac is much smaller than that seen in Xenopus
• E)in humans,neurulation occurs immediately after cleavage;in Xenopus,neurulation is delayed until after gastrulation

---

Definitions:

Societal-Level Developments

Large scale changes or trends that affect societies as a whole, including technological advancements, cultural shifts, and economic transformations.

Big-Box Stores

Large retail stores that are part of chains, known for carrying a wide variety of goods at lower prices.

Online Shopping

Online shopping is the act of purchasing products or services over the Internet, allowing for a wide selection and opportunities for price comparison.

Single-Loop Learning

A process where mistakes are corrected without altering the underlying policies or objectives that led to the error.