Ques:[What generally carries something bright red?
Options:
- (A) bears
- (B) veins
- (C) arteries
- (D) mammals
- (E) nerves
- (F) fur seals
- (G) Cars
- (H) bones]
Ans:[Arteries generally carry oxygen-rich blood. Oxygen-rich blood is bright red. Arteries generally carry something bright red.
(C)]

Ques:[What has a life cycle that includes alterations of generations?
Options:
- (A) apple
- (B) trees
- (C) salmon
- (D) Spruce
- (E) insects
- (F) animals
- (G) Cane.
- (H) bees]
Ans:[All plants have a characteristic life cycle that includes alternation of generations. Many of the plants are fruit trees. All trees have a characteristic life cycle that includes alternation of generations.
(B)]

Ques:[What is the name of something some animals use to conserve water and elminate waste?
Options:
- (A) it keeps an organism warm
- (B) food and shelter
- (C) Exfoliation
- (D) an area swollen with pus
- (E) swamp vegetation
- (F) excretory structures
- (G) reusing materials
- (H) colder and wetter]
Ans:[Some arthropods have special excretory structures. Terrestrial arthropods have an excretory system that conserves water and eliminates waste. Some animals have excretory structures that conserve water and elminate waste.
(F)]

Ques:[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]
Ans:
[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)]