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Biosphere 2

Teacher: Cynthia
Across
Circumstances or facts that contribute to a result
Without mistakes or weakness; perfect
Facts, information
To move pollen from the stamen to the pistil of a flower
The areas of a planet's surface that support life
An assistant or substitute
Stay alive
To be without something that is needed
The long-term changes in Earth's weather patterns
A gas that most animals and plants need to live
A thin layer of material that acts as a partition or lining
Earth's natural functions that allow living things to survive
Encouraged and influenced someone to do something
A process of change over time
Happening out of public view
A community of living things together with their habitat
Hallway
Very large
Worry, strain or pressure that is uncomfortable
Very dry weather for a long time
An increase in the average temperature of Earth's atmosphere and oceans
Down
The force of air in the atmosphere
To expect something and be prepared for it
An special opening in a floor. wall or roof of a building, ship or plane - often it is airtight
People who live in a certain place
The units we use to measure the energy we get from foods
A community of plants and animals that live in a certain habitat
To expect someone or something to always be there to help you without noticing what they are doing
A period of time in someone's or something's development
A tropical tree
To design and build things using science and math
The act of building something
A sound that repeats because the sound waves hit a surface and bounce back
Something that has been built
To plan and make for a specific purpose