[[Ques]]: Oxygen and glucose share this mechanism in the body:
Options:
- (A) it needs them
- (B) aerobic capacity
- (C) transportation
- (D) flow of electrons
- (E) Energy.
- (F) Veins and arteries.
- (G) sweating
- (H) oxidation reaction
[[Ans]]: [Oxygen is just one substance transported by the blood. Blood glucose is the substance that feeds our cells. Oxygen and glucose are transported the same way in the body.]
[(C)]

[[Ques]]: What can happen to a population when animals begin to migrate?
Options:
- (A) It expands
- (B) harm them
- (C) it can change species
- (D) Move to another area
- (E) it can eat more
- (F) it can go extinct
- (G) it can fluctuate
- (H) Plant growth is reduced
[[Ans]]: [Migration is a type of movement that changes population size. Population viability Population sizes are under constant fluctuation. Migration is a type of movement that causes a population to fluctuate.]
[(G)]

[[Ques]]: Steroid hormones are made of what kind of matter?
Options:
- (A) increases a body's strength
- (B) solid, liquid, gas
- (C) Something coming from a gland
- (D) diverse hydrophobic molecules
- (E) it helps plants in growing
- (F) Something that comes in a bundle of fibers
- (G) A compound that donates proton
- (H) Chemical energy
[[Ans]]:
[Steroid hormones are made of lipids, such as phospholipids and cholesterol. Lipids Lipids are diverse hydrophobic molecules. Steroid hormones are made of diverse hydrophobic molecules, such as phospholipids and cholesterol.]
[(D)]