Muscles that change the shape of the tongue are called ________ muscles.

A) extrinsic
B) deglutition
C) masseter
D) intrinsic
E) suprahyoid

Which statement about basal angiosperms is FALSE?

A) They consist of three clades.
B) Star anise is a representative.
C) Amborella trichopoda is a representative.
D) Water lilies are representatives.
E) They evolved after the core angiosperms.

The measure of an atom's ability to pull electrons away from another atom is called ____.

A) electronegativity
B) polarity
C) charge
D) concentration
E) atomic number

The similarity between the bodies of sharks and dolphins is an example of convergent evolution.

Several days after an initial contact with an antigen, antibody blood levels increases. This is a ________.

A) primer response
B) primary response
C) precipitating response
D) principle response
E) cascade response

A human population that is shrinking would be characterized by a(n) :

A) large proportion of prereproductive individuals.
B) small proportion of prereproductive individuals.
C) large proportion of reproductive individuals.
D) equal number of individuals of all age groups.
E) small proportion of postreproductive individuals.