Astudent visits the beach during a very hot day, she steps on the sand and jumps because it is so hot, what type of heat transfer is demonstrated by the sand in this example.

Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry

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.

About __ of the mass of the cell is water