Sow
Mare
it is a fruit
They are called Jacks.
No, females cannot. Like most of the creatures it the world, a matured female crocodile has to mate with a matured male crocodile to fertilise its eggs for it to have baby crocodiles. Without the male or the female, the population would be nonexistent. Thanks for reading, hope I answered your question :)
a mature human egg is called an ova
A male duck is a drake, a female duck is a mallard and a baby duck is called a duckling.
Hey, you cant tell at all really. The colours are slightly different and the females are smaller when the have matured..
A herd of cows or, if they're not fully matured, heifers.
Sperm is stored and matured in a structure adjacent to the testicles. It is called the epididymis.
A female pigeon is called a hen.
It probably means that your female (girl) Betta is a male that has not yet fully matured.