you'd think at least one animal would have evolved a wheel to get around with isntead of legs, wings, fins, slithering muscles, etc. is there an animal with wheels i don't know about?
Wheels are not good for animals. That is because if they are on a slope, they will roll backwards as soon as they stop moving uphill. Wheels are not an efficient way to travel uphill. An ox or a horse pulling a set of wheels is different, because horses and oxen are powerful animals that can use their weight and the fiction between their hooves and the ground to stop the cart they may be pulling. An animal would not have the same ability to stop a set of wheels. further, when going downhill, the weight of the beast of burder can help slow the speed of descent. Small animals with wheels would not have the same ability to stop and are therefore accidents waiting to happen. Contrast the wheel with wings and legs. Birds can slow themselves down by stalling their wings, and an animal can stop themselves with their legs by creating friction. The wheel is not so easy to stop. An animal with wheels would probably be as difficult to stop as a train.
Some time in the future I will be writing a book. Your question will be in it. For that you get a star.
Wheels require axles. This means that there can be no direct connection to the wheel and no nutrients can get to it through blood supply of whatever creature. Even so, some bacteria with flagella do have tails with axles that spin.
to rather understand the size of this cage, you'll be able to desire to degree it out in a room. Mark the width and length on the floor with string (or tape) next to a wall, then use tape to mark on the wall the place the real of the cage will land up. word: maximum measurements comprise the stand, so the cage itself isn't as tall as you marked, yet it rather is the place it's going to attain on the stand (i've got faith the cage is basically 2 ft tall with the stand taking over something of the top.) basically FYI - the cage weighs a hundred kilos, supply or take. And it rather is great adequate for 5 rats. In different words, it rather is huge. My mom jokingly calls it the rat fort, and she or he shakes her head each and each time she sees it. in accordance to her, it rather istoo lots". I say it rather is not any longer adequate (i might rather like a double unit and extra rats...) So specific, you could extra wholesome a wheel (or 3 or 5) in there. alongside with a ton of alternative stuff. you will might desire to accomplish a little procuring to fill it on up. As for workout techniques - how usually do they arrive out to unfastened selection? they could be out an hour or extra on a daily basis to run around and play. it rather is the place they're going to get lots of their workout from.
