Marriot is observing a model of a rib cage in her school laboratory. she can see that some of the ribs are attached to a cartilage and not directly to the sternum, and some are incomplete and do not attach to the sternum. which ribs must she be observing?
a. false ribs and floating ribs respectively

b. floating ribs and false ribs respectively

c. true ribs and false ribs respectively

Which of the following would be an important part of a multi-step plan to restore the stability of the red-cockaded woodpecker's ecosystem?

When analyzing tree rings, what do scientists assume a thin ring indicates?

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.