Eric is observing various types of eggs and trying to correlate them with the mode of fertilization. One of the eggs has a calcareous shell with a large amount of yolk. Another is wet with a moderate amount of yolk and with many coatings of jelly above it. What could be the mode of fertilization of the animals to which they belong?

External and internal, respectively

Internal and external, respectively

Both external

Question

Eric is observing various types of eggs and trying to correlate them with the mode of fertilization. One of the eggs has a calcareous shell with a large amount of yolk. Another is wet with a moderate amount of yolk and with many coatings of jelly above it. What could be the mode of fertilization of the animals to which they belong?



External and internal, respectively 



Internal and external, respectively 



Both external

idek-ok · Answer

B, I think.  I'm not quite too sure on this one.

abhisar · Answer

Large amount of yolk will serve as stored food, calcareous shell will serve as protective layer.

anonymous · Answer

Man, @idek-ok Is on fire! Good job man!

abhisar · Answer

These are adaptations for external fertilization.

abhisar · Answer

The correct option is A

abhisar · Answer

Human egg (ovum) has negligible amount of yolk and also do not have any calcareous shell.

abhisar · Answer

Fertilisation in humans is internal.