Author Question: Cephalization, the clustering of neurons and interneurons in the anterior part o (Read 525 times)

Millan

  • Sr. Member
  • ****
  • Posts: 368
Cephalization, the clustering of neurons and interneurons in the anterior part of the animal, is apparent in
A) Hydra.
B) cnidarians.
C) Planaria.
D) sea stars.
E) invertebrate animals with radial symmetry.




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

For a complete list of videos, visit our video library