If he studied a small sample it wouldn't be a representative sample. since he got such a large sample there is a chance most likely all organisms follow the rules of evolution.
Answer: upwelling
Explanation: hope this helps you
MRNA has a complex secondary structure; 3D. While tRNA is more like an X figure.
<u>Answer:</u>
The correct answer option is C. Annelids.
<u>Explanation:</u>
Annelids are the invertebrates that have segmented bodies.
The annelids or Phylum Annelida (also called ringed or segmented worms) are widely known for their characteristic of having segmented bodies.
These annelids contain largely segmented bodies with each segment having secondary subdivisions known as annuli which consists of elements of the different body systems which are essential for life, for instance the nervous system.