« previous next »

Author Question: Lampreys differ from hagfishes in A) lacking jaws. B) having a cranium. C) havi (Read 571 times)

federox

  • Sr. Member
  • ****
  • Posts: 308
on: Aug 8, 2013
 Lampreys differ from hagfishes in
A) lacking jaws.
B) having a cranium.
C) having pharyngeal clefts that develop into pharyngeal slits.
D) having a notochord throughout life.
E) having a notochord that is surrounded by a tube of cartilage.


theo

  • Hero Member
  • *****
  • Posts: 698
Reply #1 on: Aug 10, 2013
Answer has to be E, 150% :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Metabolic rates of animals that differ in size. Metabolic rates of animals that differ in size.
Deserts differ across the world. (a) Acacia trees between a gravel plain and sand dunes in the Namib Deserts differ across the world. (a) Acacia trees between a gravel plain and sand dunes in the Namib
Front view of the cranium and facial bones. Front view of the cranium and facial bones.
A complete cranium of Au. Afarensis from Hadar, Ethiopia, shows a prognathic face and a small brainc A complete cranium of Au. Afarensis from Hadar, Ethiopia, shows a prognathic face and a small brainc
(a) The Petralona cranium from Greece. (b) The Steinheim cranium from Germany. (a) The Petralona cranium from Greece. (b) The Steinheim cranium from Germany.
Proposed steps in the evolution of jaws Proposed steps in the evolution of jaws
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library