Answer:
There are not too many disadvantages of endoskeleton .
This is why most large animal around have them.
one large animal has one of the vunerability animals face without exoskeleton.
Explanation:
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The correct answer is this one: "<span>D) These fish could have been produced by introducing the DNA of a coral or jellyfish into an empty fish egg. "</span>
Here are the choices.
<span>A)
These fish have recombinant DNA.
B)
These fish are transgenic animals.
C)
A vector, such as a plasmid or virus, may have been needed to get the foreign genes into fish cells.
D)
These fish could have been produced by introducing the DNA of a coral or jellyfish into an empty fish egg. </span>
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8. Microevolution
9. Net movement of alleles from one population to another.