The arrangement of the pelvic and pectoral fins close together gives advanced ray-finned fish an advantage in​

Microorganisms are involved in each of the following processes excepta. smog production.b. food production.c. infection.d. o2 production.e. decomposition of organic material.

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Compare and contrast cladistics and phylogeny. what are their advantages and disadvantages? which is the most useful in understanding how an organism developed into its current form? which concept most strongly supports your opinion about the origin of any given organism?