Answer:
" Often, two species face a similar problem or challenge. Evolution may then shape both of them in similar ways — resulting in analogous structures. For example, imagine two flower species that are not closely related, but both happen to be pollinated by the same species of bird."
Explanation:
The whale still has traces of a hip and pelvis bones in the back of his body witch scientist think they used to walk on land
Answer: The open ocean zone lies beyond the continental slope and contains 65% of the water in the oceans. This zone is divided further into three subzones. The sunlit zone is where photosynthesis takes place. Plankton and jellyfish are drifters that inhabit this zone.
Explanation:
<span>The mother of a 10-year-old boy with mild scoliosis asks the nurse, "how long will my son have to continue his exercises before he's better?" how should the nurse respond?</span>
Answer:
Since there is presence of excess tryptophan, the trp operon will be switched off, since the bacterial need not to synthesize.
Explanation:
Understand the following.
The trp operon is a group of gene that encode biosynthetic enzymes for the amino acid tryptophan.
The transcription gene in the operon is switched off when the tryptophan is in excess but is switched on by the bacterium when the tryptophan is low, so that more tryptophan can be produced.
