Friction.
ELEPHANTS ARE NOT A STREAMLINED ANIMAL
It's shape.
an animal, car or boat are streamlined because most animals, cars or boats have round corners and they are low to the groung this means that they go faster because streamlining helps us go faster and the rounder a shape is the faster it will go
octopus and star fish
Yes, if you're comparing it to a buffalo.
sea urchin
Whale
River Otter
The cheetah is the most streamlined big cat.
the catfish
killer whale