Problem:OPTIONS:
- converting electricity to heat
- protect them
- igniting fuel and oxidiser
- adding heat
- Wear a t-shirt
- Put on flip-flops
- Dress for the weather
- Don't wear anything

Fact 1: Staying warm has a positive impact on an animal 's survival. Fact 2: If it's cold weather, dress warmly and warm up longer. Given the two facts above, what should you do for cold weather?
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A: Dress for the weather

Problem:OPTIONS:
- carbon dioxide
- sweating
- temperature
- air pressure
- heat energy
- Pollution
- energy usage
- Chemical energy

Fact 1: Carbon cycles quickly between organisms and the atmosphere. Fact 2: Carbon dioxide is controlled by the carbon cycle. Given the two facts above, what is controlled between organisms and the atmosphere?
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A: carbon dioxide

Problem:OPTIONS:
- scatters all visible light
- direct damage to the lungs
- diffuses all visible light
- Change colors
- reflects all visible light
- It remains dormant
- it keeps an organism warm
- absorbs all visible light

Fact 1: If an object is black then that object absorbs all visible light. Fact 2: An object is an item in the real world. Given the two facts above, what does a black item do?
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A: absorbs all visible light

Problem:OPTIONS:
- peachleaf willow
- sea urchins
- humans
- gastropod shells
- A Greek letter
- asymmetry
- dogs
- Most plants

Fact 1: Adult echinoderms have radial symmetry. Fact 2: Sea urchins are echinoderms, in the same family as starfish. Given the two facts above, what has radial symmetry?
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A:
sea urchins