When Diatoms Die,their Shells Fall to the Floor of the Ocean

question 41

Multiple Choice

When diatoms die,their shells fall to the floor of the ocean or lake that they inhabit and form sediments called diatomaceous earth (DE) .Diatoms can be identified by their shells,and different species of diatoms prefer different water temperatures.What information can be gained if scientists take samples of long-existing DE and identify the diatom species that created it?

• A)Scientists can decipher evolutionary lineages between diatom species.
• B)Scientists can predict future trends in greenhouse gas emissions.
• C)Scientists can learn about past climates.
• D)Scientists can better understand how wind currents affect water temperature.

Appreciate the evolution of theories regarding cognition from ancient times to modern day.

Identify challenges and considerations in cognitive psychology research.

Understand the necessity of the experimental method for establishing cause and effect.

Differentiate between experimental control and ecological validity.

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Definitions:

Subject Matter

The content or topic being discussed or studied.

Dichotomy Corollary

A principle suggesting a division or contrast between two things that are presented as being entirely different or opposite.

Bipolar

A psychiatric diagnosis characterized by significant mood swings, including manic highs and depressive lows.

Mutually Exclusive Alternatives

Options in a decision-making scenario that cannot be chosen or occur together.