What is caused by a lack of a hormone that helps cells absorb sugar from the blood?
Options:
- (A) glucose
- (B) cancer
- (C) resistance
- (D) diabetes
- (E) fever
- (F) serotonin
- (G) epilepsy
- (H) Dehydration
--
Let's think first: Insulin is a hormone that helps cells absorb sugar from the blood. Diabetes is caused by a lack of insulin. Diabetes is caused by a lack of hormone that helps cells absorb sugar from the blood.... So the answer is [(D)]


Something that is primarily electrostatic in origin causes water to expand when it what?
Options:
- (A) heat
- (B) freezes
- (C) a hazard
- (D) boiling
- (E) moves
- (F) reacts
- (G) expelled
- (H) it's state
--
Let's think first: Hydrogen bonds cause water to expand when it freezes. Hydrogen bonds Hydrogen bonds are primarily electrostatic in origin. Something that is primarily electrostatic in origin causes water to expand when it freezes.... So the answer is [(B)]


What do plants build their cell walls from?
Options:
- (A) By wind and rain
- (B) Deposition
- (C) Deposition.
- (D) algae
- (E) Chemical energy
- (F) plant wall
- (G) plant material
- (H) polysaccharides
--
Let's think first: Plants use cellulose for their cell walls. Another important polysaccharide is cellulose. Plants use a polysaccharide for their cell walls.... So the answer is [(H)]


Bottleneck effect can be a precursor to what?
Options:
- (A) massive damage
- (B) Climate change
- (C) Destroy bridges
- (D) Cambrian explosion
- (E) ground to shake
- (F) clams
- (G) soda
- (H) extinction
--
Let's think first: Bottleneck effect occurs when a population suddenly gets much smaller. Population size is the predictor of extinction probability. Bottleneck effect can be a precursor to extinction.... So the answer is [(H)]


What grows into the soil to absorb water and minerals? 
Options:
- (A) NaCl
- (B) vegetation
- (C) burrs
- (D) Trees
- (E) grass
- (F) Carrots
- (G) Conifers
- (H) potatoes
--
Let's think first: Most plants grow roots down into the soil to absorb water and minerals. Beets and carrots are the roots of plants. Most carrots grow down into the soil to absorb water and minerals.... So the answer is [(F)]


Most of what type of animal is known for having a shell?
Options:
- (A) fossils
- (B) toads
- (C) eggs
- (D) swea
- (E) small
- (F) insects
- (G) porous
- (H) snail
--

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Let's think first: Most mollusks have shells. Among mollusks, the golden snail is a survivalist. Most snails have shells.... So the answer is [(H)]