Reconstructing All of the Continents into a Single Supercontinent Called

question 60

True/False

Reconstructing all of the continents into a single supercontinent called Pangaea helps to explain better evidence of ancient glaciation on several continents, especially in terms of ice flow directions.

---

Definitions:

LC50

The lethal concentration of a substance that causes death in 50% of a population of test organisms within a specified period, a common measure in toxicity tests.

Teratogens

Agents or factors that can cause the development of physical defects in an embryo or fetus during pregnancy.

Birth Defects

Birth defects are physical or biochemical abnormalities present at birth that can result in physical, mental, or emotional disability or dysfunction.

Mutations

Changes in the DNA sequence of a cell's genome, which can lead to variations in the traits of an organism, and are a primary source of genetic diversity.