This extension of one of the meninges covering the spinal cord attaches it to the coccyx.

How many major plates cover the earth

Plz ! a scientist wants to produce a cow that makes a particular human protein in it’s milk the desired protein causes blood to clot and can be used to treat hemophilia (a blood clotting disorder). which of the following would be best for the scientist to use? a. genetic crosses. b. cloning. c. selective breeding. d. genetic engineering.

Aplant may open end close its stomata to prevent excess water loss and maintain