Biology Exam Questions & Answers: A Comprehensive Review for 2025, Exams of Biology

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BIO EXAM QUESTIONS & ANSWERS 2025 A+ REVIEW SOLUTION

Which group of vertebrates did modern limbless snakes directly evolve from (what living group is their closestrelative)?A) Frogs B) Lizards C) Birds D) Crocodiles E) None of the above — ANS-WW 13) Lizards The human "plica semilunaris" is an example of which of the following?A) atavism 3) gone flaw C) pseudogene 1) vestigial trait 5) poor (less than ideal) design - ANS-¥W VD) vestigial trait The existence of small hind limbs in some modern loathed whales and dolphins represent which evolutionary oulcome’?A) alavism B) gene flaw C) pseudogene I) vestigial trait If) I don't care, evolution is immoral - ANS-WWA) atayism According to the yideo "What Plants Talk About," how docs the Wild Tobacco plant pond to naturalthreats?A) toxin production B) shedding leaves C) airborne chemicals D) A & Bonly E) A & C only — ANS-WWE) A & C only Which human chromosome is the result of a fusion of two chromasomes in a human ancestral population aflerthe evolutionary split from our shared common ancestar with modern chimpanzces?A) Chromosome 13 B) Chromosome 23 C) Chromosome 11 1D) Chromasome Y FE) none of the above — ANS~WWE) none af the above During “normal” conditions of human fetal deyclopment, when is the lanugo usually shed and replaced byvellus hair?A) 2nd or 3rd month B) 4th or 5th month C) 7th or 8th month 1) at birth I) during adolescence — ANS-WWC) 7th or 8th manth According to the arlicle, "What Is a Species" by Carl Zimmer, approximately how many “species conecpts"have been published in the scientific literature, to date?A) 1 B) 2C) 51) 127) >25 — ANS-VWWE) >25