Answer:
Punctuated equilibrium
Explanation:
The idea of "punctuated equilibrium" suggests that species will show little to no evolutionary change throughout their history. When evolution does occur, according to this idea, it happens sporadically and relatively quickly compared to the species' full duration on Earth.
The correct answer is A
The anticodon of the tRNA hydrogen binds to the codon of the mRNA by complementary base pairing
The complementary base pairing:
If Codon of the mRNA is - 5' AGCTCA-3'
The anticodon of the tRNA would be - 3' GATCTG-5'
A nervous system because worms don't have nerves