Fact 1: Phytoplankton are bacteria and algae that use sunlight to make food. Fact 2: Plants have a very clever way of using the energy from sunlight to make their food. Given the two facts above, phytoplankton have a clever way of making food from what?

OPTIONS:
- sunlight energy
- water energy
- heat energy
- heat produced
- chemical energy
- mechanical energy
- organic matter
- refraction of light

Answer: sunlight energy

Fact 1: Specialization occurs when competing species evolve different adaptations. Fact 2: Most species are highly specialized for their environments and evolve as the environments change. Given the two facts above, specialization occurs when competing creatures evolve as the what?

OPTIONS:
- habitats grow
- salamanders
- animals develop
- times change
- It helps them survive
- principals of aerodynamics
- environments change
- remains of prehistoric life

Answer: environments change

Fact 1: Pollutants have a negative impact on the environment. Fact 2: Pesticides for cranberries pollute the water. Given the two facts above, what for cranberries have a negative impact on the environment?

OPTIONS:
- disease
- toxins
- enjoyment of
- fossil fuels
- harvesters
- cigarettes
- demand for
- pesticides

Answer: pesticides

Fact 1: Cold fronts cause thunderstorms as they pass by. Fact 2: Thunderstorms Thunderstorms give birth to tornadoes. Given the two facts above, cold fronts can give birth to what?

OPTIONS:
- rays or beams
- heat energy
- warm weather
- high pressure
- fur and fat
- influenza
- tornadoes
- rising tides

Answer:
tornadoes