Answer: i can't read it side ways
Explanation:
The mechanical and chemical receptors that control digestive activity are located in the walls of the tract organs.
Answer:Fossils provide evidence for the evolutionary change through now extinct forms that led to modern species. For example, there is a rich fossil record that shows the evolutionary transitions from horse ancestors to modern horses that document intermediate forms and a gradual adaptation o changing ecosystems
Explanation:
Adenosine triphosphate (ATP) consists of an adenosinemolecule<span> bonded to three phophate groups in a row. ... This occurs when a </span>molecule<span> of adenosine diphosphate (ADP) uses the </span>energy released<span> during cellular respiration to bond with </span>a third phosphate<span> group,</span>becoming<span> a </span>molecule<span> of </span>ATP<span>.</span>
