Which of the following animals uses a swim bladder to achieve neutral buoyancy?
A) Grouper
B) Nautilus
C) Spirula
D) Tuna
E) Sharks
Question 2
Judge the following sentence according to the criteria given below: NASA uses a complicated working definition of life BECAUSE it must encompass the potential of extraterrestrial life.
A) The assertion and the reason are both correct, and the reason is valid.
B) The assertion and the reason are both correct, but the reason is invalid.
C) The assertion is correct, but the reason is incorrect.
D) The assertion is incorrect, but the reason is correct.
E) Both the assertion and the reason are incorrect.
The urinary bladder.
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Examples of transgenic animals