Refer to the Figure, Which Shows the Phylogenetic Tree of Major

question 103

Multiple Choice

Refer to the figure, which shows the phylogenetic tree of major groups of living organisms. Based on the figure, which statement about the evolutionary history of life is false?

• A) Eukarya shares a more recent common ancestor with prokaryotic Archaea than with Bacteria.
• B) Bacteria shares a more recent common ancestor with Eukarya than with prokaryotic Archaea.
• C) The common ancestor of Bacteria and Archaea predates that of Archaea and Eukarya.
• D) All living organisms share a common origin.
• E) An ancient prokaryotic species was the ancestor of all life on Earth.

Identify and explain determinants of market demand and supply.

Explain the difference between a change in supply (or demand) and a change in the quantity supplied (or demanded).

Understand the rationing function of prices in a market.

Interpret market equilibrium and its graphical representation.

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Definitions:

Fight-or-Flight

A physiological response to perceived danger or threat, preparing the body to fight or flee from the threatening situation.

Tend-and-Befriend

A theory suggesting that in response to stress, individuals, especially women, are predisposed to caring for offspring and seeking social support.

Continuum

A continuous sequence in which adjacent elements are not perceptibly different from each other, although the extremes are quite distinct.

Homeostasis

The ideal level of bodily functions.