3-LS4-3.Construct an argument with evidence that in a particular habitat some organisms can survive well, some survive less well, and some cannot survive at all.
3-LS4-2.Use evidence to construct an explanation for how the variations in characteristics among individuals of the same species may provide advantages in surviving, finding mates, and reproducing.
3-LS4-4.Make a claim about the merit of a solution to a problem caused when the environment changes and the types of plants and animals that live there may change.*