The marine biome is a large ecosystem but not larger than some terrestrial ecosystems or is charaby four different zones or had little species or covers a small portion of the earths surface

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

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Organisms that successfully adapt will leave to grownone of the above