Down |
1. | the back feet are _-between toes, helping to propel the animal through the water |
2. | young remain with their parents for _-years |
3. | Membrane __seal the ears and nostrils from water while it is submerged. |
4. | By the beginning of the twentieth century, beavers were ___from Pennsylvania. |
5. | 2 glands around urogenital opening produce this |
7. | the behavior of beavers to build dams |
8. | beavers have a hoard of food or a __ to eat in the winter when the ponds are frozen over |
12. | beavers build |
13. | signal warning on the water |
14. | groups of beavers |
15. | adult beaver weigh between forty and __lbs |
17. | these were sold for $4 each in the early 1800s |
18. | the thick pelt and deposits of __ __ make the beaver stay underwater for hours at a time |
21. | the tail acts as this to navigate the waters |
22. | number of years of life for a beaver in captivity |
23. | beavers are vulnerable to predators here |
25. | weeks of gestation |
26. | teeth have this making them orange-red |
27. | a beaver's __is weak, but hearing and smell are acute |
30. | continually growing |