Author Question: Which extant chordates are postulated to be most like the earliest chordates in (Read 560 times)

federox

  • Sr. Member
  • ****
  • Posts: 308
Which extant chordates are postulated to be most like the earliest chordates in appearance?
A) lancelets
B) adult tunicates
C) amphibians
D) reptiles
E) chondrichthyans



theo

  • Hero Member
  • *****
  • Posts: 698

Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

For a complete list of videos, visit our video library