According to the Models of the Universe We Discussed in This

question 29

Multiple Choice

According to the models of the universe we discussed in this course, why do the galaxies move apart (why do we have Hubble's law) ?

• A) gravity is a repulsive force, once you get outside the Milky Way Galaxy
• B) each galaxy has net charge on it, and they repel by the laws of electricity
• C) supernova explosions happen more frequently on one side of each galaxy, giving the entire galaxy a push that moves it away from its neighbors
• D) as a result of the Big Bang, space itself is stretching, and this stretching carries the galaxies away from each other
• E) strong political and religious disagreements among the galaxies
• Section 29.5: What is the Universe Really Made of?

Understand the basic concepts and categories of biological classification.

Recognize the significance of evolutionary relationships in the classification of organisms.

Comprehend the principles and applications of the molecular clock hypothesis.

Differentiate between true and false statements regarding biological classification and evolutionary biology.

---

Definitions:

European Slaves

Individuals from European countries who were enslaved or indentured at various points in history, including during the Ottoman conquests and in the Barbary slave trade.

Gang Labor

A system of labor, especially in agriculture, where a group of workers is directed and supervised by an overseer, often associated with the antebellum South in the United States.

New World Plantations

Large agricultural estates in the Americas that relied heavily on the labor of enslaved Africans to cultivate crops like sugar, tobacco, and cotton.

West African Slavery

Refers to the historical practice of slave trade and ownership in West Africa, both within African societies and through the transatlantic slave trade to the Americas.