Which of the following properties of DNA was discovered by James Watson and Francis Crick

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

What do you need to use in order to work as an environmental scientist? you need to use the scientific method and__ in order to work as an environmental scientist.

Describe how viruses and bacteria can be used as biological weapons. what are some of the potential threats and potential benefits? do you agree with the use of viruses and bacteria as biological weapons? why or why not?