Which of the following is an example of active transport?
A. diffusion
B. moving molecules from an area of high to low
concentration
C. moving molecules against a concentration
gradient
D. moving molecules with the concentration
gradient

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

Scientific evidence is most likely to be consistent if it is based on data from

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !