Problem:OPTIONS:
- Reproduction
- Cancer
- Sex
- Pollination
- Most plants
- mechanical
- by indirect light
- a wave

Fact 1: Reproduction is the process by which living things give rise to offspring. Fact 2: Through reproduction, the parents transmit genes to the offspring. Given the two facts above, what is the transmission of genes?
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A: Reproduction

Problem:OPTIONS:
- A computer
- sunlight
- Light
- germany
- retina
- at home
- canada
- taiwan

Fact 1: Viruses are so small that they can be seen only with an electron microscope. Fact 2: Electron microscope is developed in Germany. Given the two facts above, viruses are so small that they can be seen only with a device developed where?
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A: germany

Problem:OPTIONS:
- sun's heat
- heat
- the sun
- geothermal vents
- Cooking
- the mother frog
- the father frog
- sunlight

Fact 1: An egg requires warmth to survive. Fact 2: First the frog lays the eggs, then the warmth from the sun makes the eggs hatch into baby tadpoles. Given the two facts above, what heats frog eggs so that they may hatch into tadpoles?
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A: the sun

Problem:OPTIONS:
- a cuticle
- plankton
- whales
- sensory neurons
- layers of fat
- radial symmetry
- kinetic energy
- adults

Fact 1: Adult echinoderms have radial symmetry. Fact 2: Echinoderms are represented by the starfish. Given the two facts above, adult starfish have what?
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A:
radial symmetry