They're both the same
A grasshopper has shorter anteneas and a cricket has longer
One is a baby and one is and adult
They have different names
Hares are larger. Hares have longer hind legs. Hares have longer ears
Both are same
Tortoise mostly live on land whereas turtles in water!
Turtles are able to fly whereas tortoise can't
Turtles prey on tortoise
Because humans don't consume its meat.
Because blue whales are large enough to be different than fish.
Because it is carnivorous.
Because they have lungs like mammals do.