What is an important deposit feeder that helps form and enrich soil?
Options:
- (A) A reptile
- (B) swamp vegetation
- (C) bacteria
- (D) A male
- (E) shrub beds
- (F) A hermaphrodite
- (G) An amphibian
- (H) peachleaf willow
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Let's think first: Earthworms are important deposit feeders that help form and enrich soil. Life Cycle Earthworms are hermaphrodites. A hermaphrodite is an important deposit feeder that helps form and enrich soil.... So the answer is [(F)]


Cells cannot live without what commonly occuring element found on earth?
Options:
- (A) Air
- (B) matter
- (C) Light
- (D) fossil fuel
- (E) oxygen
- (F) carbon
- (G) sunlight
- (H) water
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Let's think first: Cells cannot survive without oxygen. Survival is to live, to live means hope. Cells cannot live without oxygen.... So the answer is [(E)]


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


What happens to aquatic life if acidity is higher or lower than a narrow range?
Options:
- (A) Plant growth is reduced
- (B) They may not survive.
- (C) Aquatic life sinks
- (D) harm them
- (E) It is endangered
- (F) Damages them
- (G) Aquatic life moves to dry land
- (H) Aquatic life flourishes
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Let's think first: All life relies on a relatively narrow range of pH, or acidity. If the pH level is higher or lower, aquatic life is endangered. Aquatic life is endangered if acidity is higher or lower than a narrow range.... So the answer is [(E)]


Nitrogen depletion is a condition of some:
Options:
- (A) bushes
- (B) humans
- (C) animals
- (D) soils
- (E) disease
- (F) legumes
- (G) mammals
- (H) Birds
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Let's think first: Soil can be depleted of nutrients. An important nutrient commonly added to soil is nitrogen. Soil can be depleted of nitrogen.... So the answer is [(D)]


Why can amphibians easily absorb toxins?
Options:
- (A) salamanders
- (B) permeable skin
- (C) hydrate their cells
- (D) it needs them
- (E) poisonous frogs
- (F) Pesticides
- (G) cold blooded
- (H) bending light rays
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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: Amphibians have permeable skin that easily absorbs substances from the environment. Natural Toxins Toxins are poisonous substances from bacterias, plants or animals. Amphibians have permeable skin that can easily absorb toxins from bacterias, plants or animals.... So the answer is [(B)]