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cour1tney5Dires cour1tney5Dires
  • 26-02-2017
  • Biology
Answered

Self-fertilization is avoided in sponges because

Athere is no way for sperm to enter the sponge.
Bthe sperm do not possess the enzyme needed to penetrate the egg.
Csperm and eggs are not produced at the same time.
Dnone of the above is true; self-fertilization is common in sponges.

Verified Answer :

roytucker
roytucker roytucker
  • 27-02-2017

Self-fertilization is avoided in sponges because : sperm and eggs are not produced at the same time

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