Do cells and organisms respond to their environment?

Are DNA test Results the same if taken twice? How did Mendeleev arrange the periodic table without knowing the atomic masses of each element? Which type of rock is foliated? What does una mesa mean? Did Pliny see mt vesuvius erupting? How are metals used in fireworks? When studying a stack of rock layers the layers are usually toward the bottom and the layers are usually toward the top? What does an atom become when it loses one or more electron? What is an elongated region of high pressure on a 500 mb chart is called? Atomic number identifies the element and refers to the number of? Will 33 gallon garbage bags fit a 30 liter garbage can? Is Kaolin contain Br? Are plastic particles everywhere? What are some examples of magnetic energy transfer? How may teaspoon are in 4 mL? Why is it dangerous to burn paraffin in a very poorly ventalated room? Why do seeds disperse from a new plant? What is a density-dependent limiting factor A.Tornado B.unusual weather C.human activities D.competition? Is an asteroid bigger than Saturn? How do you determine the probability that four marksmen will all hit a target if each marksman usually hits the target 80 percent of the time?