Which of the Following Statements Is Not True of the Work

question 94

Multiple Choice

Which of the following statements is not true of the work of Hubel and Weisel?

• A) They were able to insert electrodes into single cells in the visual cortexes of cats.
• B) They demonstrated that adjacent neurons can alter the type of information to which their neighbours are sensitive.
• C) They discovered that each neuron responds to only one specific type of visual pattern.
• D) They discovered feature detectors.

Describe the impact of genetic and ecological factors on speciation.

Explain how polyploidy contributes to speciation in plants.

Distinguish between allopatric, sympatric, and parapatric speciation.

Interpret the relationship between dispersal abilities and speciation rates.

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Definitions:

Genetic Drift

A mechanism of evolution involving random changes in the frequency of alleles within a population over time, not necessarily driven by natural selection.

Gene Flow

The transfer of genetic variation from one population to another, which can lead to changes in the genetic composition of populations.

Sickle-Cell Anemia

A genetic blood disorder causing red blood cells to assume a sickle shape, leading to various health complications.

Hemoglobin

The protein that carries oxygen in red blood cells.