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Anti- Evolutionary Thinkers Sometimes Argue That Natural Selection Could Not

question 22

Multiple Choice

Anti- evolutionary thinkers sometimes argue that natural selection could not produce a complex structure like the vertebrate eye.They claim that all of the parts of the eye must have arisen at once,asking why natural selection would favor the development of part of an eye that is not yet capable of forming a focused image.Which of the following statements is consistent with a survey of eye structure in the molluscs?


Definitions:

Neurons

Cells specialized in sending nerve messages, forming the core structure of the nervous system.

Synapse

The junction between two neurons or between a neuron and a muscle where electrical or chemical signals are transmitted from one cell to another.

Ganglia

Structures containing a number of nerve cell bodies, typically linked by synapses, and often forming a swelling on a nerve path.

Axons

Long, slender projections of nerve cells, or neurons, which are responsible for transmitting electrical impulses away from the neuron's body.

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