Visualize (Or Draw) Five, Horizontal, Sedimentary Strata as Exposed in a Cliff

question 12

Multiple Choice

Visualize (or draw) five, horizontal, sedimentary strata as exposed in a cliff or canyon wall identified by consecutive numbers, 1 being the lowest bed and 5 being the highest. Which of the following statements concerning the strata are true?

• A) bed 3 is older than beds 2 and 4
• B) bed 4 is older than bed 2
• C) bed 5 is the oldest
• D) beds 1 and 3 are older than bed 4

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Definitions:

Protists

A diverse group of eukaryotic organisms, mostly unicellular, that are not animals, plants, or fungi, including algae, amoebas, and others.

Primary Consumer

An animal that eats producers (e.g., plants or algae).

Decomposer

Organisms, primarily bacteria and fungi, that break down dead organic material, contributing to nutrient recycling in ecosystems.

Caterpillar

The larval stage of butterflies and moths, which is typically a voracious feeder on leaves before undergoing metamorphosis.