A homeostatic imbalance that activates these bone cells would lead to a loss of bone density. True or False

Osteoclasts

Explanation:

Osteoclast: A cell that nibbles at and breaks down bone and is responsible for bone resorption.Osteoclasts are large multinucleate cells.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

the fossil record provides evidence of a common ancestor to many species.