18 Which of the following functions at the same organizational level as the kidney in the human excretory system?
F
Skeleton
G Epithelial tissue
H Urinary bladder
J
A squamous cell
OF
OG
OH
OJ

Athermometer is placed in water in order to measure the water’s temperature. what would cause the liquid in the thermometer to rise?

Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection