Herbaceous plants .

have hard, rough stems

have smooth, green stems

often grow very tall

grow permanent stems

Scientific thinking: what clues about biology might road kill provide?

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.

Which type of respiration takes place when there is no oxygen present