Organisms of a single species that share the same geographic location at the same time make up a

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

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

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