Timeline for The 4-chambered heart
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Mar 9, 2018 at 3:55 | comment | added | John | If by in the middle you mean the same as mammals. Also growth rings have been shown to be really poor indicators as they can be caused by all kinds of things. | |
| Mar 8, 2018 at 23:02 | comment | added | user1258361 | livescience.com/51162-dinosaurs-warm-blooded-growth-rates.html interestingly enough there's some evidence that dinosaurs may have been in the middle of the spectrum | |
| Mar 7, 2018 at 18:16 | history | answered | John | CC BY-SA 3.0 |