Fact 1: Head hair is especially important in preventing heat loss from the body. Fact 2: Insulation serves to both prevent heat loss in the winter and heat gain in the summer. Given the two facts above, what is a form of natural insulation that humans have?
OPTIONS:
- fur and fat
- Fire
- Blankets
- Animal fur
- Head hair
- layers of fat
- Clothes
- copper
Head hair
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Fact 1: Roots grow in length and width from primary and secondary meristem. Fact 2: For example, carrots and beets are roots. Given the two facts above, carrots and beets what in length and width from primary and secondary meristem?
OPTIONS:
- grow shorter
- grow smaller
- grow bigger
- peachleaf willow
- grow narrower
- they bend
- In their leaves
- rapid expansion
grow bigger
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Fact 1: Fish have a circulatory system with a two-chambered heart. Fact 2: Fish are backboned aquatic animals. Given the two facts above, the two-chambered heart of some backboned aquatic animals is part of their:?
OPTIONS:
- aerobic capacity
- three-chambered heart
- biological diversity
- it keeps an organism warm
- the body's largest organ
- circulatory system
- salmon
- swimming system
circulatory system
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Fact 1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens. Fact 2: ALL immunogens are antigens. Given the two facts above, antibodies are large, Y-shaped proteins that recognize and bind to?
OPTIONS:
- humans
- positive
- immunogens
- animals
- A Greek letter
- protect them
- Allergies
- the skin
immunogens
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