On a phylogenetic tree, what do the branch lengths represent?
1 point
The age of the organisms
amount of genetic change since divergence
amount of genetic change since convergence
The age of divergence

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).