An Australian redback spider has a complete digestive tract.What is the advantage of this over an incomplete digestive tract?
A) Absorption of food is more efficient
B) It doubles as a circulatory and digestive system
C) The food is broken into smaller particles and absorption of food is more efficient
D) The food is broken into smaller particles
E) It doubles as a circulatory and digestive system so absorption of food is more efficient
Correct Answer:
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