Which characteristic of life is demonstrated when eagles use their sharp talons to get fish out of the water. a. acquiring energy b. reproducing c. maintaining structure d. instinct

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

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria