Because it has to be that way
False dna will change every generation
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
Human forelimbs is used for a variety of functions, such as for eating.
Similarities: They are all made from the same basic anatomical structure classified as homologous structures.
They all have this structure inherited from a common ancestor.