Some of the earliest research on keystone species was conducted by Robert T. Paine, who actually coined the term keystone species. For over 25 years Paine and his students removed Pisaster ochraceus, a sea star, from tidal pools on the coast of Washington. Throughout his research, Paine discovered that removal of this predator resulted in

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

What do you need to use in order to work as an environmental scientist? you need to use the scientific method and__ in order to work as an environmental scientist.

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.