20 1. What is not an example of active
transport?
uptake of ions by root hairs
uptake of glucose by villi
absorption of water by root hairs
reabsorption of glucose by kidney
tubules
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kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above