q: What stops once menopause happens?
Options:
- (A) Menial tasks stop
- (B) Plant growth is reduced
- (C) Pulse stops
- (D) Dehydration
- (E) Breathing stops
- (F) Menstruation stops
- (G) smoking tobacco
- (H) recovery time from fatigue
a: (F)... Explanation: Menopause occurs when menstruation stops occurring, usually in middle adulthood. By definition, menopause occurs when menstruation stops permanently. Usually in middle adulthood menopause happens when menstruation stops permanently. That's why the answer is (F).

q: What shows evolution over geologic time above the level of the species?
Options:
- (A) speciation events
- (B) Leptospirosis
- (C) cliffs
- (D) rapid expansion
- (E) peachleaf willow
- (F) swamp vegetation
- (G) Darwin
- (H) RNA
a: (A)... Explanation: Macroevolution is evolution over geologic time above the level of the species. Speciation events are thus examples of macroevolution. Speciation events show evolution over geologic time above the level of the species. That's why the answer is (A).

q: What animals belong to the largest phylum of invertibrates?
Options:
- (A) plants
- (B) parasites
- (C) octopuses
- (D) tortoises
- (E) eartworms
- (F) insects
- (G) mammals
- (H) animals
a: (F)... Explanation: Arthropods are the largest phylum of invertebrates. Insects are the largest group of arthropods. Insects belong to the largest phylum of invertibrates. That's why the answer is (F).

q: If a tumor has formed, this gene might have mutated:
Options:
- (A) p53
- (B) SNPs
- (C) OCA 2
- (D) DNA
- (E) gene
- (F) tRNA
- (G) malignancy
- (H) TRH
a:
(A)... Explanation: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. When p53 is mutated, cells divide uncontrollably. When p53 is mutated a tumor may form. That's why the answer is (A).