training for bob sled racing, a winter sport, and how is pushing a car related to our physics class. Words to con

British cologoinst admisitrion

The answer would be a

The fertilized egg  begins to develop into a hollow ball of cells called the blastocyst. 

How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.