It was not addressed that the animals likely had no fear of man (or each other) before the flood.
So they behaved in a way that defies all research in zoology?
It is very likely that the surface of the earth was different before the weight of the flood water changed it.
Normally the only people who I've come across who support the notion that the story of Noah's flood happened are christians who attempt to fit science around their pre-conceived conclusion.
I'm not sure how they determined number of animals but I have seen it so it works out.
Please provide how it works out. Also are you claiming that the story of Noah's flood doesn't contradict scientific research?
You also haven't addressed the issue of how Noah and his family got literally millions of species of non-aquatic and aquatic living organisms from across the world to aboard the Ark? (the significant changes in water conditions due to global flooding would have killed much aquatic life, so they would have to come aboard the ark)
What did the animals eat (especially the carnivorous animals)?
How did they all survive at such a high altitude?
One video made fun of the age of Noah but science can find no reason for people to grow old and is searching for ways to make humans live into their hundreds of years.
Have you every known of a verified 600 year old man, or even a 200 year old man? Would you believe anyone if they told you they were 600 years old?
Do you also believe that giants roamed the earth like it says in Genesis (serious question)?
Even if Jehovah exists it's appalling that he drowned men, women and infants - I couldn't love an entity that would drown almost every inhabitant of the planet because they displeased him.
Why do you think that drowning the world's population of children was justified?