If You Track the Frequency by Which Popcorn Kernels Pop

question 123

Multiple Choice

If you track the frequency by which popcorn kernels pop, few kernels pop early or late; most pop around the same time. A chart that recorded the timing of popcorn pops would be a good example of a __________ frequency graph.

• A) flat
• B) positively skewed
• C) negatively skewed
• D) normal bell

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Definitions:

Sympathetic Nerve Fibers

Part of the autonomic nervous system that prepares the body for physical and mental activity by controlling the flight or fight response.

Meiosis

A type of cell division that reduces the chromosome number by half, resulting in the production of four genetically distinct gametes.

Haploid

One set of chromosomes, in contrast to diploid; characteristic of gametes.

Crossing Over

The exchange of genetic material between homologous chromosomes during meiosis, contributing to genetic diversity.