What do the simplest vertebrates lack?
a. jaws
b. notochord
c. central nervous system
d. teeth
e. skull
a
You might also like to view...
Women dominate the flow of migrants from ______________, ______________, and ______________.
A) the Philippines, Sri Lanka, Indonesia B) the Philippines, China, India C) Sri Lanka, China, India D) Pakistan, China, India E) Pakistan, the Philippines, Sri Lanka
Current photovoltaic technology uses sunlight to generate electricity
A) with a single structure in a single step. B) by heating water and using microscopic hydroturbines. C) in the process of microfusion. D) while generating small amounts of methane for use as a fuel in other applications.
An ion with a negative charge is called a(n) ________.
Fill in the blank(s) with the appropriate word(s).
The general term that refers to the tendency of a parcel of air to either remain in place or change its initial position is
A) stasis. B) adiabatic. C) stability. D) buoyancy. E) conditional instability.