Animals, fungi, and most prokaryotes are known as ________.

A) chemoheterotrophs
B) photoautotrophs
C) universal consumers
D) primary producers
E) autophotorespirators

This gland elevates calcium levels in blood.

A) adrenal cortex
B) hypothalamus
C) thyroid
D) parathyroid
E) posterior pituitary gland

The term nekton refers to bottom-dwelling organisms in an aquatic ecosystem.

A European Works Council is:

A) An integrated community of 25 European nations that are progressing toward economic union.
B) A community of European countries that have agreed to live by the "Social Charter".
C) A transnational, company-level committee of employees from different operations that has the right to consult with and receive information from a company.
D) A workplace-level committee of employees with joint decision-making rights with management.

One of the key benefits of international trade is that it allows consumers and producers to benefit by exploiting each country's comparative advantage.

Individuals with mutations in excision repair enzymes may suffer from ____ due to unrepaired DNA damage caused by ____.

A) skin cancer; mutations inherited from their parents
B) colon cancer; the passing of DNA mutations to daughter cells
C) prostate cancer; telomerase
D) skin cancer; the sun's UV rays
E) skin cancer; complementary base pairing