Scientific law is the description of an observed phenomenon. it doesn't explain why the phenomenon exists or what causes it and scientific theory is a misconception that theories turn into laws with enough research.
Answer:
I'm not sure but I think it is 25
sry if it is wrong
The ring of the muscle in the digestive tract, which can open and close, or regulate the movement of food into or out of parts of digestive system, is the pyloric sphincter.
The pyloric sphincter is present at the bottom of the stomach, and it is a muscular valve that opens to allow the food materials to pass from the stomach to the top of the small intestine of our digestive system.
Hence, The pyloric sphincter serves as a type of gateway between stomach and small intestine, and It allows the contents of the stomach like foot materials to pass into the small intestine. Also, It prevents digestive juices or partially digested food from re-entering into the stomach.
Learn more about pyloric sphincter here
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Answer:
pond d because u know what a turtle can leave in pond fish can live also other aquatic animal but a bird can't kive so it will die in water for a long time and will not be able to survive and it will cause terrestrial succession
