The embryos of all animals undergo gastrulation, a dramatic reorganization of cells critical to formation of the animal body. do you understand all the terms associated with gastrulation?

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

One gene can influence trait(s). one trait can be determined by gene(s).

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point