Question 21 4
Which nucleotide is only present in RNA?
Cytosine
Thymine
Uracil
Adenine

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Fill in the blank with the correct sphere label. a: ⇒ geosphere b: ⇒ biosphere c: ⇒ hydrosphere

Several bodily responses are described below. for each response, determine what caused the change in homeostasis. body starts to sweat breathing rate increases amount of saliva produced changes body starts to shiver