Energy. A solute can only move against concentration gradients using active transport which requires energy
Ecologists make models to gain insight into complex phenomena such as the effects of global warming on ecosystems.
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Answer:
option b I think I think I am not sure
Answer:
Plants have tissues to transport water, nutrients and minerals. Xylem transports water and mineral salts from the roots up to other parts of the plant, while phloem transports sucrose and amino acids between the leaves and other parts of the plant.
pls mark brainliest. Thank you
Horse, it’s the only thing in the list with a spine
