Theory because a theory has to be backed up by several experiments
Explanation:
Sea surface temperature provides fundamental information on the global climate system. ... SST is an essential parameter in weather prediction and atmospheric model simulations, and is also important for the study of marine ecosystems. SST data are especially useful for identifying the onset of El Niño and La Niña cycles
Answer:
When animals immigrate into another breeding population they may bring with then alleles that are rare or unknown in the population they breed into.
Explanation:
Gene flow is the movement of genes from one population to another population. Examples of this include a bee carrying pollen from one flower population to another, or a caribou from one herd mating with members of another herd. Genes can come in different forms called alleles.
Also, I didn't see the list of choices.