Answer: Birds pick up oil on their beaks, by rubbing against the uropygial or preen gland near the tail, and then rub it over their feathers. This makes the water unable to break through the oil.
Explanation: Hope this helps have a great day :)
It would be a blob of muscle and veins
Prokaryotic cells would be plant cells
eukaryotic cells would be human/animal cells
Niches, trophic levels, and ecological processes of a biological community.