The pyloric sphincter is compose of smooth muscle and is located between the pylorus in the stomach and duodenum of the small intestine. In digestion, it serves as a valve controlling the flow of food thus it prevents the contents of small intestine backing up into the stomach.
All of the above- 1, 2, and 3 These introduce variation into the chromosome or into the zygote and create cells and offspring unique from the parents.
Food chains model energy flow through an ecosystem. Producers pump energy into an ecosystem from an environmental source, and this energy is then passed from one organism to the next.
the common name for this is called Bryophyta
Answer:
true
Explanation:
Green plants have the ability to make their own food. They do this with a process called photosynthesis, which uses chlorophyll. Through photosynthesis, the plant uses the stored energy to convert carbon dioxide and water into glucose.
