If everything has a purpose then evil doesn't exist

[R-Farmer]

Look it up, chuckle-fuck. Unless your too busy protecting your willful ignorance. 

Your like the 4th person to bring this up.. That's what makes this funny to me. So I will just post my stock response

Take note on how I graciously answer your questions even though they seem foolishly obvious to me. something a honest minded 5th grader could reason out for himself. Note I did not call you names nor do I mock your name or the premise of your question. And I could have really tried to embarrass you here. May this serve as a lesson in Live.. and let Live.. Meaning I showed you a little grace and mercy, so maybe next time when you think I said something foolish, (but maybe you just don't see all the angels YET) you show a little more respect, if you want me to graciously do the same.

That said,

 No one said ALL Mammals had to be babies. In fact when this came up the first couple of times I said 'Animals with specific dietary needs or have a need for their mothers to nurse/care for them could have just been on the ark in adult form.' (This doesn't just means mammals. Some birds need cared for for several weeks by their mothers, while other are fully functional a couple hours out of their eggs.

The only real reason putting baby MAMMALS on the Ark needed to happen is to reduce space requirements they need to house hundreds of thousands of types of fully mature animals, Their specific food, and to reduce the amount of food needed to be stored for massive mammals, and to eliminate the threat from predators. All of this goes away if you just load up babies who are compatible with the dairy milk provided by whatever dairy animals Noah used. Because this reduces the over burden of all the different kinds of food down to just hay. lots and lots of hay. But again that does not mean the dairy animals were the only ones loaded in their adult form.

Also I said dairy animals instead of cows specifically because with maybe 1/2 a dozen different dairy animals you can cover about 95% of all dietary milk requirements for all mammals. but even then some baby mammals need their mothers to care for them, not just access to compatible milk. 

Also I will point out again, that reptiles lay eggs. (no milk needed) Which means ALL reptiles, Birds, and insects who are not self starters (need the care of their mothers) could all be stored on the ark as eggs. This eliminates all dietary needs, special care (outside of the general care needed to store and transport eggs) or environmental issue they may need or they may create. Which again doesn't mean ALL have to be stored as eggs. like with the mammals there could have very well be a mixture of both.