BIOMES & ECOSYSTEMS
BIOSPHERIANS & DAILY LIFE
ENGINEERING & SYSTEMS
CARBON, AIR & WATER
RESEARCH THEN & NOW
100

This is the term for a community of living things interacting with the non-living parts of their environment.

What is an ecosystem?

100

This is the nickname for the crew members who sealed themselves inside Biosphere 2.

Who are the Biospherians?

100

Tiny imperfections during construction meant Biosphere 2 was never 100% this.

What is airtight?

100

This gas's levels rise and fall inside Biosphere 2 as plants photosynthesize and living things breathe.

What is carbon dioxide (CO2)?

100

Roughly this many plant species remain in the Rain Forest today, down from over 400 originally planted.

What is 100?

200

Biosphere 2 recreates five of these large, climate-based regions under one glass dome.

What are biomes?

200

This many Biospherians lived inside during the first mission (1991–1993).

What is eight (8)?

200

These huge dome structures at either end of Biosphere 2 expand and contract to manage air pressure changes.

What are the "lungs"?

200

This process removes carbon dioxide from the air by using sunlight to make food in plants.

What is photosynthesis?

200

This term describes benefits nature provides to people for free, such as clean air, clean water, and food.

What are ecosystem services?

300

This coastal desert biome gets most of its moisture from fog rather than rain.

What is the (Coastal) Fog Desert?

300

This nickname was given to the Orchard, since fruit satisfied the crew's sugar cravings.

What is the "Sweet Shop"?

300

This is the name of Biosphere 2's on-site power plant, with generators, boilers, and chillers.

What is the Energy Center?

300

My chemical symbol is C. 

What is carbon?

300

Biosphere 2's original coral reef, sourced from this peninsula, died off as scientists studied ocean chemistry.

What is the Yucatan (Peninsula)?

400

This shady biome acts as a buffer, transitioning between the desert and more tropical biomes.

What is the Thornscrub?

400

This average percentage of body weight the Biospherians lost during Mission 1.

What is 16%?

400

About this many minutes could pass before plants were damaged if the Energy Center lost power.

What is 20 minutes?

400

My chemical formula is H₂O

What is water?

400

Today Biosphere 2 operates as this type of facility, no longer sealed for human missions.

What is a research and education facility (for the University of Arizona)?

500

This wetland biome, modeled after the Florida Everglades, helps filter pollutants and protect coastlines.

What are the Mangroves?

500

This small chamber with two doors lets people or materials pass in or out without breaking the seal.

What is an airlock?

500

LEO's three giant hillslopes are built from about a million pounds each of this crushed volcanic rock.

What is basalt?

500

Biosphere 2 is home to the only one of these in the entire state of Arizona, holding around 700,000 gallons of saltwater.

What is an ocean?

500

True or False: Biosphere 2 is 100% airtight. Explain.

What is SIMOC?

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