"elephantiasis is a human disease that is caused by a parasitic nematode that lives in the circulatory system. what causes the massive swelling of tissue that has given the disease its name? "

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

What is the name of the two satelites on mars

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems