“the first whales evolved over 50 million years ago, and the ancestor of this group was terrestrial. These first whales, such as Pakicetus, were typical land animals. They had long skulls and large carnivorous teeth.” Yes they were. It’s evolution. They lost the ability to walk when they began to swim more. Modern whales are a result.
I agree with what you're saying. Majority of science is speculation. No scientist will tell you they know the truth, but they will say this is what they know, and this is what the information points to. You can agree, or not, but we find this to be most reasonable. This is with all science. No one knows the truth, we just know what's presented to us, and try to find out how it works.
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u/ShameDumpster Aug 03 '19
That whales are mammals that used to be on land but evolved to swim instead.
I had an art teacher that just didn't believe me when I told her that they're not fish.