Is a trait with a functional role in the life or an organism that is maintained and evolved by means of natural selection

You arrive late to a biological seminar. however, just as you enter the room, you hear the speaker referring to the "five-prime end" and the "three-prime end" of a macromolecule. immediately, you know that they are talking about a: ]

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

Oak and maple trees, chipmunks, white-tail deer, and black bears emerging from hibernation are all organisms that may be found in which biome