Who developed the first correct model of dna?

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

Which of the following organisms are capable of self-fertilization? a. plants b. tigers c. humans