Molecular homology, because it compares dna
Blood, urine, tissue/skin, saliva, hairs, etc.
Widespread use of pesticide has lead to the development of:
More pesticide-resistant insects.
The decomposition of the whale enriches the sediment.
<span>When a whale dies, it falls to the ocean floor. Its dead body is known as whale-fall. This whale-fall provides nutrients for a whale-fall community, which includes bacteria, crabs, worms and other invertebrates. Organic fragments from the whale-fall enrich the sediments nearby. Enrichment opportunists colonize the whalebone and surrounding sediment in order to feed on these organic fragments.</span>
