The Embryonic Layer That Invades the Lining of the Uterus

question 91

Multiple Choice

The embryonic layer that invades the lining of the uterus and forms the placenta is the

• A) trophoblast.
• B) endometrium.
• C) embryoblast.
• D) inner cell mass.

---

Definitions:

Quantity Demanded

The aggregate quantity of a product or service that customers are prepared to buy at a specified price in a marketplace.

Quantity Supplied

The complete quantity of a product or service that sellers are ready and capable of offering for sale at a specified price point in the marketplace.

Demand

The total amount of goods or services that consumers are willing and able to purchase at various prices during a specified period.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity of that good that consumers are willing to buy.