Cartilage grows in two ways, appositional and interstitial. what is appositional growth? a. along the edges only of existing osteons, making each osteon larger b. the secretion of new matrix against the external face of existing cartilage c. the lengthening of hyaline cartilage d. growth at the epiphyseal plate

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic