What are the two important features, that help the root hair cells to absorb water from the soil?

18. which statement about cancer is true?

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

Abiology teacher asks students to give examples of genetic variations that support the idea that changes in a population’s environment affect genetic variation. which is the least supportive example? a. changes in genetics in human populationsb. antibiotic resistance in bacteria populationsc. pesticide resistance in garden insectsd. changes in the color of the peppered moth population in england