Which statements describe functions of dna? check all that apply.
a.)dna gives instructions on how to make keratin, the protein that makes up human hair and skin.
b.)dna contains information about eye and fur color that is passed on from parents to kittens.
c.)dna provides energy for cheetahs to run fast.
d.)dna create substances that fight the bacteria that enter the body.
e.)dna stores energy for a bear as it hibernates during the winter.

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?