Answer:
subtitution mutation
Explanation:
The T in the middle is subtituted with C.
Hope it helps.
Answer:
Tubules?
Explanation
The trachea, spiracle, and air sac are part of their respiratory system, Howeber, the tubules are what take away the carbon dioxide from their system. Im not sure if they produce the carbon dioixde. But they are a part of what removes the carbon-dioxide from their body.
Continental drift happened around the Jurassic period, 175 million years ago.
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Recombinant DNA is the answer
