Which of the following statements is/are incorrect? Intramembranous and endochondral ossification both involve replacement of preexisting connective tissue with bone. Intramembranous ossification is the method by which flat bones of the skull, some facial bones, the mandible, and part of the clavicle are formed. Endochondral ossification is the method by which most of the bones of the body are formed. Endochondral ossification begins with development of an ossification center.

answer; a muscle cell, another neuron and a of the above

answer; hypnagogic sensations)

tsd is temerature dependent sex determination.

tsd: it is a type of environmental sex determination in which the temperature experienced during embryonic/ larval development (ambient temperature for development) determine the sex of the offspring.

crocodile displays the tsd where the ambient temperature of the developing egg determines the individual's sex. for example in the american alligator's eggs, incubation at 33 ºc produces mostly males, while incubation at 30 ºc produces mostly females. so if the american alligator's egg will get the ambient temperature (33 degree celcius)during embryonic development from egg, the offspring will be male and same for the female sex determination.