Problem:OPTIONS:
- peachleaf willow
- Most plants
- animals
- female ferns
- pollen
- insects
- honeybees
- Plant reproduction

Fact 1: Female gametophytes produce eggs inside the ovaries of flowers. Fact 2: Unlike the unisexual gametophytes of a moss, a fern gametophyte is bisexual. Given the two facts above, what can produce eggs inside ovaries of flowers?
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A: female ferns

Problem:OPTIONS:
- flow of electrons
- fault movement
- heat energy
- Energy.
- volcanos
- magma
- Movement
- lava

Fact 1: Faulting of rock in Earth 's crust causes earthquakes. Fact 2: Earthquakes are caused by fault movement. Given the two facts above, what are responsible for earthquakes?
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A: fault movement

Problem:OPTIONS:
- The number of individuals
- sub-units of species
- the Arctic
- different organisms' numbers
- ice
- biological diversity
- penguins
- heat and light

Fact 1: Biodiversity generally increases from the poles to the equator. Fact 2: Biodiversity is equated with the number of different organisms present in a habitat . Given the two facts above, what increases in habitats from the poles to the equator?
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A: different organisms' numbers

Problem:OPTIONS:
- Glucose
- Enzymes
- Roots
- Cold temperatures
- Bees
- RNA
- Confined Spaces
- Shade

Fact 1: Aplant requires water to grow. Fact 2: Water is absorbed by a plant's roots. Given the two facts above, what helps plants grow?
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A:
Roots