Sperm swim to an egg inside a what?
Options:
- (A) gastropod shells
- (B) aqueous solution
- (C) archetype
- (D) archive
- (E) ocean water
- (F) pollen
- (G) archegonium
- (H) sperm
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Let's think first: Fertilization occurs when sperm swim to an egg inside an archegonium. Pregnancy begins with a fertilized egg. Pregnancy begins after sperm swim to an egg inside an archegonium.... So the answer is [(G)]
What process provides one substance transported by the blood?
Options:
- (A) breathing
- (B) heat produced
- (C) drink
- (D) complex
- (E) osmosis
- (F) sweating
- (G) cell division
- (H) condensation
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Let's think first: Oxygen is just one substance transported by the blood. Breathing and circulation allow oxygen to be transported to the body's cells. Breathing provides one substance transported by the blood.... So the answer is [(A)]
Introns are areas that
Options:
- (A) it keeps an organism warm
- (B) Plant reproduction
- (C) the wearing away of rock
- (D) do not code for protein
- (E) Something coming from a gland
- (F) Plant growth is reduced
- (G) allow growth
- (H) produce offspring
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Let's think first: Introns are regions that do not code for proteins. An area is a rectangular region of cells. Introns are areas that do not code for proteins.... So the answer is [(D)]
Vertebrate chordates have what part of the skeletal system?
Options:
- (A) spinal column
- (B) hard bones
- (C) aerobic capacity
- (D) cartilage bones
- (E) critical organs
- (F) joints
- (G) fur and fat
- (H) graptolites
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Let's think first: Vertebrate chordates have a backbone. Invertebrates are animals who lack a backbone or spinal column. Vertebrate chordates have a spinal column.... So the answer is [(A)]
What clusters around the heat of submarine volcanoes?
Options:
- (A) ferns
- (B) organisms
- (C) vegetation
- (D) humans
- (E) emissions
- (F) Energy
- (G) insects
- (H) the sun
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Let's think first: Organisms cluster around hydrothermal vents in the ocean floor. Hydrothermal vents are powered by the heat of submarine volcanoes. Organisms cluster around the heat of submarine volcanoes.... So the answer is [(B)]
What is the euphrates larger than?
Options:
- (A) ocean
- (B) planet
- (C) trees
- (D) sea
- (E) Inches
- (F) Sediment
- (G) stream
- (H) Length
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Let's think first: Rivers are usually larger than streams. And the fourth river is the Great River, the river Euphrates. The Euphrates is larger than a stream.... So the answer is [(G)]