Logic of a solution: *Menopause occurs when menstruation stops occurring, usually in middle adulthood. Hot flashes are the classic sign of menopause and peri-menopause. Hot flashes can occur when menstruation stops occurring.*
*(F)*
The original question: *What can happen when menstruation stops occurring?
Options:
- (A) Localized damage
- (B) Dehydration
- (C) periods
- (D) diabetes
- (E) massive damage
- (F) hot flashes
- (G) Sulfur dioxide
- (H) epilepsy*

Line 1: *Thyroid hormones increase the rate of metabolism in cells throughout the body. Thyroxine, a thyroid hormone, is an aryl iodide. Thyroxine increase the rate of metabolism in cells throughout the body.*
*(A)*
Line 2: *What increases the rate of metabolism in cells throughout the body?
Options:
- (A) Thyroxine
- (B) Smoking
- (C) fever
- (D) bioaerosols
- (E) acetic acid
- (F) sweating
- (G) Power plants
- (H) heat produced*

Logic of a solution: *Communities consist of populations of different species. Biodiversity is a lot more than just the number of different plant and animal species. Communities consist of populations that are biodiverse.*
*(E)*
The original question: *Populations that are biodiverse might be called:
Options:
- (A) homogenous enclaves
- (B) similar
- (C) animals
- (D) peachleaf willow
- (E) communities
- (F) bottlenecks
- (G) insects
- (H) fertile*

Line 1: *Ethologists usually study how animals behave in their natural environment. Environments are animals homes. Ethologists usually study how animals behave in the animals' homes.*
*(G)*
Line 2: *Ethologists study how animals behave in animals'
Options:
- (A) Summer
- (B) state
- (C) Birds
- (D) life
- (E) seasons
- (F) health
- (G) homes
- (H) fields*

Logic of a solution: *Cartilage is a tough tissue that contains a protein called collagen. Sharks have a cartilage skeleton. Sharks have as skeleton that contains a protein called collagen.*
*(H)*
The original question: *Sharks have as skeleton that contains
Options:
- (A) elastin
- (B) Epidermis
- (C) calcium
- (D) fur and fat
- (E) marrow
- (F) strength
- (G) all matter
- (H) collagen*

Logic of a solution: *Gymnosperms are vascular plants that produce seeds in cones. Gymnosperms are the plants that are known as evergreens. Evergreens are vascular plants that produce seeds in cones.*
*(G)*
The original question:
*What kind of plants produces their seeds in cones?
Options:
- (A) spored bushes
- (B) flowers
- (C) more abundant
- (D) Conifers
- (E) white
- (F) insects
- (G) evergreens
- (H) deciduous trees*