Which of the following describes how muscle cells use glucose and oxygen? A. Use up excess carbon dioxide
B. Produce ATP through cellular respiration
C. Release calcium to convert glycogen to more glucose
D. Release a neurotransmitter to stimulate the muscle cells

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.

How do living things obtain phosphorus

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm