Which best describes the dorsal nerve cord? a thick grouping of nerves that runs down the back of the embryo a group of interconnected neurons that enables response to stimuli a group of similar nerve cell bodies grouped together a stiff, nonconducting rod that develops down the back of all chordate embryos

Answer

A thick grouping of nerves that run down the back of the embryo

Explanation

The dorsal nerve cord is special embryonic characteristic of the ganglia. It is a hollow dorsal cord that is composed of a section of the exfoliated coagulant that forms a hollow tube unlike solid abdominal tubes in other animal species. It is located in the vertebrae of vertebrates.

genetic variation will increase because of a new habitat and food source.

explanation: