16. which of the following is an example of species richness?
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a. diving beetles, blue gill, lilies, water mites, crayfish
b. vultures feeding on the remains of a carcass
c. prairie chickens at a lake competing for access to mates
d. herd of 60 elk, 6 bald eagles and 90 white pine trees

Tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d