Scientists believe animals with similar body structures: Group of answer choices

lived during the same eras

ate the same basic diets

evolved from a common ancestor

evolved at the same time

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm