Females of the species drosophila pseudoobscura respond less well to the courtship signals from males of their close relative drosophila persimilis than they do to those of males of their own species. this is an example of [a] gametic isolation. [b] hybrid infertility. [c] behavioral isolation. [d] adaptive radiation. [e] sympatric speciation.

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

Will ! a cell containing a 3% sucrose solution is placed into a beaker containing a 7% sucrose solution. assume the cell’s membrane is permeable to water, but not permeable to the sucrose. where will the water diffuse? explain.