Human 100 rhesus monkey 95 mouse 87 chicken 69 frog 54 lamprey 14 the information contained in the table could be used a) to establish the degree of relatedness among these organisms b) to determine which organisms underwent convergent evolution c) to show how protein shape determines function d) in comparative embryology studies

Option A

Explanation:

The numbers with each specifies the extent to which their DNAs have common features.  

The higher the similarity within the species DNA’s, the higher the species are related to  each other.  

The extent of relatedness means that the species have emerged from a common ancestor and hence they share common characteristics or traits.  

The lesser is the relatedness, the higher is the gap in the time frame of evolution of two species from the same ancestors.  

Hence, option A is correct

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.