Which would best represent a food chain in the wetlands? a) insect®frog®snake®detritus b) phytoplankton®insect®frog®zebra c) phytoplankton®frog®detritus®snake d) insect®detritus®snake®frog e) detritus®insect®frog®snake

One of the purposes of transcription is to produce a sequence of bases that

Select the correct answer. 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

Explain how scientists use geologic time to determine the age of landforms.