The Oldest Geologic Unit Is

question 33

Multiple Choice

The oldest geologic unit is

• A) Layer 1
• B) Layer 8
• C) Layer 5
• D) Layer 10

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Definitions:

Ornithischian

A major group of herbivorous dinosaurs characterized by a pelvic structure similar to that of birds.

Pelvic Bone Structure

The complex structure in the lower part of the torso, comprised of several bones including the sacrum and coccyx which support the spinal column and hips.

Holocene Epoch

The current geological epoch, starting approximately 11,700 years ago, following the last major ice age and characterized by the development of human civilizations.

Large Mammals

A categorization for mammals that are considerably larger than most other species, often including animals like elephants, whales, and bears.