The answer to the question is nucleic acid glad I could be of help if you need any more help at me and I'll try to help when I can
Bacteria cannot be classified using the biological definition of a species because they are asexual organisms, meaning they don't experience sexual feelings.
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Answer:
A. flowers that bloom in different months
Explanation:
Temporal isolation is a prezygotic barrier that is caused by the inability of two closely related species to interbreed as a result of differences in breeding season.
If two related species of plants have flowers that bloom in different months, the possibility of both fertilizing each other is very slim. Both flowers won't be able to interbreed as a result of this reproductive isolation mechanism, called temporal isolation.
Explanation:
Psi packaging Element is a cis-acting RNA element identified in the genomes of the retroviruses Human immunodeficiency virus (HIV) and Simian immunodeficiency virus (SIV) It is involved in regulating encapsidation of the retroviral RNA, an essential step in replication.