Describe the Events Following the Fertilization of an Egg That

question 93

Essay

Describe the events following the fertilization of an egg that pertain to the development of the nervous system. In your answer, name the three main types of cell lines found in the blastula and describe what parts of the organism these cells become.

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Definitions:

Pollution Permits

Allowances issued by governments that give companies the right to emit a certain amount of pollutants, intended to reduce overall pollution by market mechanisms.

Supply

The total amount of a product or service that is available for consumers to purchase at various price levels.

Pollution Rights

Permits or allowances that grant entities the right to emit a certain amount of pollutants into the environment.

External Benefit

A positive effect experienced by a third party who did not choose to incur that benefit, often associated with public goods or services.