Which is an inherited trait? flavor of an apple from a particular tree
hierarchical status of a wolf in a pack
ability to ride a bike
interest in stamp collecting

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

How does the nervous system affect the excretory system?

What is the most abundant vertebrate on earth?