Which structure delivers a signal from the motor neuron for all the sarcomeres of a muscle cell?

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d. the size of the geographic area inhabited by a population can cause speciation.

Why do carbohydrate molecules function so well as fuel for the body?

What abo controlling alleles could kim give her child