« previous next »

Author Question: The primitive streak in a bird is the functional equivalent of A) the lip of the (Read 556 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
on: Oct 2, 2013
The primitive streak in a bird is the functional equivalent of
A) the lip of the blastopore in the frog.
B) the archenteron in a frog.
C) polar bodies in a sea urchin.
D) the notochord in a mammal.
E) neural crest cells in a mammal.


clippers!

  • Hero Member
  • *****
  • Posts: 828
Reply #1 on: Oct 6, 2013
For sure it has to be A Mark as solved once you're done!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Functional divisions of the nervous system. Functional divisions of the nervous system.
A general model of the sensorimotor system. Notice its hierarchical structure, functional ... A general model of the sensorimotor system. Notice its hierarchical structure, functional ...
Functional foods are being used by some health care professionals Functional foods are being used by some health care professionals
Equivalent Trig Expressions Equivalent Trig Expressions
Video: The pH scale - Strong acids and Weak acids

For a complete list of videos, visit our video library