Carbon in organic compounds are passed through the food web from what?
Options:
- (A) it helps plants in growing
- (B) Burning fuel and air
- (C) members of their own species
- (D) people to dogs
- (E) herbivores to carnivores
- (F) carnivores to plants
- (G) passenger pigeons
- (H) predators to prey
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Let's think first: Energy is passed up a food chain or web from lower to higher trophic levels. Energy and carbon in organic compounds passed through food chain to herbivores and carnivores. Carbon in organic compounds are passed through the food web from herbivores to carnivores.... So the answer is [(E)]

Cytokinesis is the final stage of cell division in what items?
Options:
- (A) infected
- (B) insects
- (C) animals
- (D) Plants.
- (E) fungi
- (F) plants
- (G) food
- (H) parasites
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Let's think first: Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. All plants are eukaryotes. Cytokinesis is the final stage of cell division in plants.... So the answer is [(D)]

Nitrogen depletion is a condition of some:
Options:
- (A) bushes
- (B) humans
- (C) animals
- (D) soils
- (E) disease
- (F) legumes
- (G) mammals
- (H) Birds
--
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 do male gametes swim from male to female reproductive organs?
Options:
- (A) temperature changes
- (B) to leave the egg
- (C) fertilization
- (D) competition
- (E) it needs them
- (F) to feed
- (G) permineralization
- (H) to heal themselves
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Let's think first: Sperm had to swim from male to female reproductive organs for fertilization. Male gametes are called sperm. Male gametes had to swim from male to female reproductive organs for fertilization.... So the answer is [(C)]

Mammals can also generate little bursts of heat through what?
Options:
- (A) Movement of an air mass
- (B) crackling
- (C) Veins and arteries.
- (D) electromagnetic energy
- (E) house
- (F) fire
- (G) muscle contractions
- (H) aerobic capacity
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Let's think first: Mammals can also generate little bursts of heat by shivering. Shivering causes muscle contractions to warm the body. Mammals can also generate little bursts of heat through muscle contractions.... So the answer is [(G)]

Female what produce eggs inside the ovaries of peonies?
Options:
- (A) gametophytes
- (B) Plant reproduction
- (C) honeybees
- (D) peachleaf willow
- (E) insects
- (F) fertile
- (G) orchids
- (H) graptolites
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Let's think first: Female gametophytes produce eggs inside the ovaries of flowers. Currently the state flower is the peony, which originates in China. Female gametophytes produce eggs inside the ovaries of peonies.... So the answer is [(A)]