For the following structural characteristic, decide if it is a characteristic of DNA, a characteristic of RNA, a characteristic of both DNA and RNA, or a characteristic of neither DNA nor RNA. It contains a phosphate group for every nucleotide.

A.) both DNA and RNA

B.) DNA

C.) neither DNA nor RNA

D.) RNA

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food