Someone please gelp me answer this.

Natural selection acts on populations through a specific trait. which statement must be true about that trait? question 6 options: the trait is passed on genetically to the next generation. the trait has little impact on survival. the trait is the same for all organisms. the trait is resistant to mutations.

What property of water provides for appropriate sugar, salt, and amino acid levels to be present and carried in the blood of animals to be delivered to cells

What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.