Agriculture began in some countries as recently as ________ years ago.
Fill in the blank(s) with the appropriate word(s).
6,000
Anatomy & Physiology
You might also like to view...
The upper respiratory tract includes all EXCEPT which of the following?
A) mouth B) trachea C) larynx D) nasal cavity E) lungs
Anatomy & Physiology
What happens to the field of view in a compound light microscope when the total magnification is increased?
What will be an ideal response?
Anatomy & Physiology
Within the PNS, a neuron will regenerate only if:
A) the surrounding neuroglia regenerate first. B) scar tissue is removed by phagocytosis. C) the neuron was myelinated. D) the cell body remains intact.
Anatomy & Physiology
The almost identical cells produced by cleavage divisions are called
A) morulas. B) blastomeres. C) trophoblasts. D) blastocoeles. E) ova.
Anatomy & Physiology