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Asked by anon-202379 to Rebecca, Raashid, Matthew, Marie, Hanna, Gareth on 4 Mar 2019.
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Gareth Nye answered on 4 Mar 2019:
They do! Its a really interesting question – animals like cows and rabbits have an completely different digestive system to be able to eat grass and plants successfully. Or a giraffes heart is 44 times bigger then ours so it can pump blood up its long neck!
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Rebecca Gosling answered on 4 Mar 2019:
Yes they do. Different animals need different things and their organs have adapted for this. Bigger animals have bigger hearts to pump the blood further. Fish for example don’t have lungs. Instead they breath through gills that absorb oxygen from the water. This is because they live under water. If they had lungs like us they would get filled with water with one breath!
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Marie Cameron answered on 4 Mar 2019:
Also, the more similar an animal is to us, the more similar its organs will be, so other mammals will have many similarities with humans, but the further away from humans you go on the evolutionary tree, the more differences you will find.
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Hanna Jeffery answered on 4 Mar 2019:
Yes.
Apparently the same part of the ear that we use for balance, some fish use for hearing.
The inner ear (cochlea) is different in all animals. The cochlea is shaped like a snail shell. It curls round 2.5 times in human ears and the same in guinea pigs, but more than 3 times in a cat and dog. The size and shape of the inner ear determines which kinds of sounds we can hear – dogs and cats can hear much higher pitched sounds than humans can. -
Matthew Smith answered on 4 Mar 2019:
I don’t think i can add much more than has already been said! Evolution has tailored many organs in animals towards what they need. I would recommend having a search for more examples like have been listed above, there are some really fascinating (and strange) examples out there in the animal world!
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