Choose the One Most Appropriate Answer for Each.​

question 54

Multiple Choice

Choose the one most appropriate answer for each.​
-cervix​

• A)​acts to trigger ovulation in females
• B)​structures that secrete mucus and nutrients absorbable by sperm; open into the ejaculatory duct
• C)​forms as an outgrowth of the yolk sac; becomes part of umbilical cord and urinary bladder
• D)​a drug that causes severely deformed arms and legs in developing embryos
• E)​two of these connect seminiferous tubules with vasa deferentia
• F)​opening between uterus and vagina
• G)​organ that supplies the embryo/fetus with nutrients and removes wastes
• H)​connects epididymis with ejaculatory duct
• I)​hormones that stimulate uterine contractions in the female
• J)​cap over the head of a sperm; contains lytic enzymes to penetrate egg membranes
• K)​inner cell mass plus trophoblast; attaches to uterine wall
• L)​testosterone secreting cells in the testis
• M)​sensitive to sexual stimulation; develops from same embryonic tissues as does the penis in males
• N)​the uterine lining
• O)​stimulates maturation of an ovarian follicle

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Definitions:

Heckscher-Ohlin Model

An economic theory that proposes countries export what they can most efficiently and abundantly produce.

Comparative Advantage

The ability of an individual, company, or country to produce a good or service at a lower opportunity cost than its competitors.

Ricardian Model

An economic theory that focuses on comparative advantage, explaining how countries can gain from trade by specializing in producing goods at a lower opportunity cost.

Production Possibility Frontiers

These are curves that depict the maximum potential output of a combination of two goods or services that an economy can produce with available resources.