« previous next »

Author Question: What do all craniates have that earlier chordates did noWhat do all craniates ha (Read 419 times)

federox

  • Sr. Member
  • ****
  • Posts: 308
on: Aug 8, 2013
What do all craniates have that earlier chordates did not have?
A) brain
B) vertebrae
C) cartilaginous pipe surrounding notochord
D) partial or complete skull
E) bone


theo

  • Hero Member
  • *****
  • Posts: 698
Reply #1 on: Aug 10, 2013
Answer has to be D, trust me!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Male coho salmon exhibit two alternative life history strategies. “Jack†Male coho salmon exhibit two alternative life history strategies. “Jackâ€ÂÂ
In some species, dominant females have more surviving offspring that mature earlier indicating an ad In some species, dominant females have more surviving offspring that mature earlier indicating an ad
Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ... Adults in the Berlin Study of Aging show earlier declines on tests of nonverbal, fluid tasks (upper ...
Evolutionary Tree for Chordates Evolutionary Tree for Chordates
Video: How proteins function? How do proteins work?

For a complete list of videos, visit our video library