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- That all land tetrapods are descended from a single pair of their ‘kind’ after the flood.
rossum
You are misquoting and or misunderstanding what was recorded.
Genesis 7:2–3:
‘Take with you seven pairs of all clean animals, the male and his mate, and a pair of the animals that are not clean, the male and his mate, and seven pairs of the birds of the heavens also, male and female, to keep their offspring alive on the face of all the earth.’
Woodmorappe totals about 8000 genera, including extinct genera, thus about 16,000 individual animals which had to be aboard. With extinct genera, there is a tendency among some paleontologists to give each of their new finds a new genus name. But this is arbitrary, so the number of extinct genera is probably highly overstated. Consider the sauropods, which were the largest dinosaurs—the group of huge plant-eaters like Brachiosaurus, Diplodocus, Apatosaurus, etc. There are 87 sauropod genera commonly cited, but only 12 are ‘firmly established’ and another 12 are considered ‘fairly well established’.
God created a number of different types of animals with much capacity for variation within limits.4 The descendants of each of these different kinds, apart from humans, would today mostly be represented by a larger grouping than what is called a species. In most cases, those species descended from a particular original kind would be grouped today within what modern taxonomists (biologists who classify living things) call a genus (plural genera).
One common definition of a species is a group of organisms which can interbreed and produce fertile offspring, and cannot mate with other species. However, most of the so-called species (obviously all the extinct ones) have not been tested to see what they can or cannot mate with. In fact, not only are there known crosses between so-called species, but there are many instances of trans-generic mating, so the ‘kind’ may in some cases be as high as the family. Identifying the ‘kind’ with the genus is also consistent with Scripture, which spoke of kinds in a way that the Israelites could easily recognize without the need for tests of reproductive isolation.
The Ark measured 300x50x30 cubits (Genesis 6:15), which is about 140x23x13.5 metres or 459x75x44 feet, so its volume was 43,500 m3 (cubic metres) or 1.54 million cubic feet. To put this in perspective, this is the equivalent volume of 522 standard American railroad stock cars, each of which can hold 240 sheep.
If the animals were kept in cages with an average size of 50x50x30 centimetres (20x20x12 inches), that is 75,000 cm3 (cubic centimetres) or 4800 cubic inches, the 16,000 animals would only occupy 1200 m3 (42,000 cubic feet) or 14.4 stock cars. Even if a million insect species had to be on board, it would not be a problem, because they require little space. If each pair was kept in cages of 10 cm (four inches) per side, or 1000 cm3, all the insect species would occupy a total volume of only 1000 m3, or another 12 cars. This would leave room for five trains of 99 cars each for food, Noah’s family and ‘range’ for the animals. However, insects are not included in the meaning of behemah or remes in Genesis 6:19-20, so Noah probably would not have taken them on board as passengers anyway.
Tabulating the total volume is fair enough, since this shows that there would be plenty of room on the Ark for the animals with plenty left over for food, range etc.
Source:
Noah’s Ark: A Feasibility Study
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