Examlex
RNA contains the nitrogenous base ________ instead of ________,which is found only in DNA.
Orange Coloring
A hue seen in various animals and objects, often due to the presence of carotenoids, which can play a role in attraction and camouflage.
Guppies
Small freshwater fish, often used in scientific research, that exhibit a wide range of colors and patterns.
Mate Choice
The process by which an individual selects a mating partner, often based on specific traits that indicate quality or compatibility.
Sister Taxon
The closest phylogenetic relatives or groups that share a common ancestor not shared by any other group, used in evolutionary biology.
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