Hello the answer is easy
A. to prove that here is proof
The advantage for the reduced gametophytes in seed plant is that they gain nutrients from the sporophytes
Gametophytes are microscopic and have capacity to develop from spores retained in the sporangia of parental sporophyte. This kind of arrangement protect developing gametophyte from environment stress which enable it to gain nutrient from sporophyte.
The genetic code is the relation between the sequence of bases in DNA (or its RNA transcripts) and the sequence of amino acids in proteins.
Yes a TT plant and a Tt plant are both tall because for it to be short it has to be tt.
Hope I helped :)
C: inability of somali government to protect resources (Apex)