Thirst is:A) controlled by centers in the hypothalamus B) triggered by increased osmolarity. C) relieved only when plasma osmolarity is decreased. D) A and B

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

Some substances but not other can cross the (blank) membrane of a cell

The hardy-weinberg principle is that genetic frequencies in a population? will remain stable from generation to generation will always be changing will not be affected by environmental changes are always in a 3: 1 ratio