Do the data support or refute the null hypothesis? 5.31 < 7.82, so the null hypothesis is supported.
5.31 < 7.82, so the null hypothesis is refuted.
With 5% certainty, the null hypothesis is supported.
With 7% certainty, the null hypothesis is supported.

Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc

Four types of motile cells in human body?

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