Sample b is the control group because it’s the group not being tested and being kept the same.
A. Veins
B. <span>Arteries
C. </span><span>Capillaries</span>
Answer:
Sharks, in their basal form have been on Earth for hundreds of millions of years. They were the first to develop a stream-like, torpedo shaped body and created a niche for themselves. Their aerodynamic body shape has evolved to allow for efficient and dynamic movement in water. Having a cartilage instead of bones allowed them to grow large and still be relatively light and buoyant . After they've evolved flexible, protruding jaws, there wasn't much to change. They were able to adapt and exploit all the water habitats as the world was changing.
Explanation:
Answer: The job of tRNA is to read the message of nucleic acids, or nucleotide and translate it into proteins, or amino acids .
Explanation: