Put the following in correct order for endochondral ossification. a. Mesenchymal cells of the embryo develop into cartilage-producing cells
b. The periosteum (formerly perichondrium) begins to produce a thin layer of compact bone
c. A hyaline cartilage model of the future bone is formed.
d. Cartilage is the midregion of the model becomes calcified.
e. Spongy bone tissue develops at the primary ossification center.
f. Secondary ossification centers produce spongy bone tissue of the epiphyses.
g. Medullary cavity is formed.

Which incident would result in primary succession instead of secondary succession?

Which type of neuroglia is found outside of the brain?

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms