1. Most of them. Whatever a ship of that size could carry.
2. Scientists do not know what a species is, so they have no clue.
3. Given (2.), this is even more remote.
All this to give you comfort that your decision to reject God's word is a good choice. Given (2.) and (3.) a rational person would worry about their position even on a scientific level, but I'm sure you will feel emboldened instead.
Do you know what a "kind" is? If so, how many different "kinds" of animals do you estimate to exist today?
Also, how many "kinds" of animals do you think have existed throughout the entirety of earth's existence?