During the Pleistocene,________ Was a Time of Ice Retreat

question 95

Multiple Choice

During the Pleistocene,________ was a time of ice retreat.

• A) an interglacial
• B) Wisconsin time
• C) the Holocene
• D) Kansan time
• E) Wu¨rm time

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Definitions:

Calcium Carbonate

A chemical compound used as a dietary supplement or antacid; it's also the main component of limestone.

Spongin

A fibrous protein that makes up the skeleton of many sponges.

Spicules

Small, spike-like structures found in various organisms, such as sponges and some animals, serving as structural supports or defense mechanisms.

Invertebrate Animals

Animals lacking a vertebral column, including species such as insects, mollusks, and crustaceans.