The science class built a robot that travels 5 m north in 10 s. what is the robots average velocity?
a. 0.5 m/s
b. 0.5 m/s north
c. 2 m/s
d. 50 s/m north

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

Name the glands associated with human digestive system

What is used to keep track of the gamates and possible offsprings combination