A chondroblast will produce the fibers and ground substance for cartilage
I believe the correct answer from the choices listed above is option D. The animals are more closely related according to Linnaeus's system of classification when the two animals share traits at the genus level.
Hope this answers the question. Have a nice day.
D. colds are caused by viruses
1. Testable
2. Reproducible
3. Explanatory and
4. Predictive, but always
5. Tentative.