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Biology-Related Homework Help General Biology Topic started by: vietquocnguyen on Mar 31, 2018



Title: Wavelike movements that propel food through the digestive system are called:
Post by: vietquocnguyen on Mar 31, 2018
Wavelike movements that propel food through the digestive system are called:
 
  a. peristalsis
  b. contractions
  c. muscle propulsion
  d. cilia beating
  e. microvilli and villi motion

Question 2

The vertebrate jaw first appeared in which organism?
 
  a. fishes
  b. amphibians
  c. reptiles
  d. birds
  e. mammals


Title: Wavelike movements that propel food through the digestive system are called:
Post by: merana.potros on Mar 31, 2018
Answer to q. 1

a

Answer to q. 2

a