Question

which of the following is true of Intramembraneous bone?

a. contains a diaphysis and epiphyses
b. the bone forms within a cartilage model
c. the bone forms in layers that build on eachother
d. long bones are examples

Answer 1

Intramembranous bone formation occurs at the periosteal surfaces of all bones and in parts of the skull, pelvis, scapula, and clavicles. Osteoblasts form subperiosteally, or when mesenchymal cells are induced to differentiate into osteoblasts. The osteoblasts form a matrix on the existing bony scaffold which calcifies and then ossifies, just as with enchondral ossification. The resulting growth is appositional, however, with intramembranous ossification rather than longitudinal. Osteoclastic activity on the deep side of the cortex remodels the bone with growth.
HOPE THIS HELP (:

Answer 2

Which of the following would be one way a farmer could increase the amount of available nitrogen in his fields without adding a synthetic fertilizer?

Grow a legume crop to support the development of root nodules.
Flush the field with water.
Burn unwanted plants on the field.
Add nitrogen gas to the fields.