Share your knowledge on Readable
Collaborate with others to annotate & explain the things you love

This creature goes to the lake, not knowing of the future it holds for his kind. He is called a Mesonyx, and one day, his kind will give way to the Pakicetus. This will become the Ambulocetus, or the...

1

annotations

Elite mammalian divers such as the sperm whale can hold their breath for well over an hour while they hunt in the depths of the oceans while land mammals such as humans barely last a couple of minutes...
yes any excuse me i'm sorry before you get into that could you just introduce yourself and tell us what do you work for the people decide accordingly don't know yet grandma a little...
Where I left off in the last video, we talked about how the hemoglobin in red blood cells is what sops up all of the oxygen so that it increases the diffusion gradient-- or it increases the incentive,...