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Which Of The Following Helps Explain Why Some Freshwater Stickleback Populations Lack Pelvic Spines? [Solved]
In lakes where there are no large predatory fish, there is no advantage to having pelvic spines. In freshwater, a marine stickleback sheds its spines. In lakes with dragonfly larvae, pelvic spines can be disadvantageous, allowing the predatory larvae to grab the fish.
Making of the Fittest: Evolution of the Stickleback Fish — HHMI BioInteractive Video
Natural selection leads to the evolution of new traits. In this educational video, see how
Vertical Integration of Evolutionary Mechanisms: Pelvic Reduction in the Threespine Stickleback
Natural selection is the primary cause of adaptation and the evolution of biodiversity. Darwin thought that natural selection acts on …
Evolution of reduced limbs
00:31 Genes involved in limb development 02:19 Left-right asymmetry in development 04:57 Evolutionary changes in limb …
