The information about groundwater recorded by a student is valid when

it is not biased

its results cannot be repeated

it is not obtained from a primary source

its findings do not have to be shared with others

Sand spinifex grass is adapted to growing on sand dunes. it is a rapidly spreading plant and the creeping runners produce new root systems. which of these best explains the benefits of these features? a. it limits water loss through the leaves. b. it provides support by anchoring the plant. c. it protects the plant from predators. d. it allows the plant to tolerate salt. reset submit

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

Environmental impacts on evolution : mastery test