In the Case of the Toothed Whales,the Fossil Record

question 52

Multiple Choice

In the case of the toothed whales,the fossil record

• A)shows they evolved from fish.
• B)shows they evolved from swimming dinosaurs.
• C)shows they evolved from a land mammal with hooves.
• D)has fragmentary evidence that cannot be explaineD.
• E)has no evidence about how they evolved.

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Definitions:

Electron

A subatomic particle with a negative charge, found in the electron clouds surrounding the nucleus of an atom.

Line Spectra

Line spectra are the emission or absorption of light at specific wavelengths by atoms or molecules transitioning between energy levels, resulting in distinct lines characteristic of the substance.

Quantized Energy Levels

The concept in quantum mechanics that energy levels in atoms and molecules are discrete, not continuous.