The Science of Biology
The Chemistry of Life
The Biosphere
Ecosystems
Humans and Global Change
100

The Smallest Unit of Life

What is a cell?

100

This type of substance releases a hydrogen ion when dissolved in water.

What is an acid?
100

Higher concentrations of these cause the atmosphere to retain more heat.

What are greenhouse gases?

100

Energy flows through an ecosystem in this manner.

What is a one-way stream?

100

This is an over-arching term for measurable long-term effects on the global environment.

What is climate change?

200

The title of a graph is _________ vs ___________.

What is dependent variable vs. independent variable?

200

These are atoms with the same atomic number but different mass numbers.

What are isotopes?

200

These are the 4 main global systems.

What are the biosphere, atmosphere, hydrosphere, and geosphere?

200

Algal blooms are caused by an excess of the ________ nutrient.

What is limiting?

200

This is the total area of functioning land and water ecosystems needed to provide resources to an individual or group of individuals and to remove their waste.

What is an ecological footprint?

400

Reproduction, growth and development, and basis on a universal genetic code are examples of these.

What are the characteristics of life?

400

This is a mixture of a liquid and a non-dissolved substance.

What is a suspension?

400

This type of ecosystem can be described by salinity, depth, temperature, flow rate, and concentrations of dissolved nutrients.

What is an aquatic ecosystem?

400

These are the processes in which elements, chemical compounds, and other forms of matter are passed from one part of the biosphere to another.

What are biogeochemical cycles?

400

This large-scale agricultural practice has the effect of degrading the soil.

What is monoculture?

800

This is the process of observing and asking questions about the natural world in an organized manner.

What is science?

800

This is the location on an enzyme to which the substrate binds.

What is the active site?

800

These are the 6 levels of ecological organizations from smallest to largest.

What are species, population, community, ecosystem, biome, and biosphere?

800

This model shows the relative number of individual organisms at each trophic level in an ecosystem.

What is a pyramid of numbers?

800

Pollutants become more concentrated as they climb the trophic levels in this process.

What is biological magnification?

1000

This is a particular preference or point of view that is personal rather than scientific.

What is bias?

1000

This is the macromolecule responsible for directing growth and development.

What are nucleic acids?

1000

These are the 4 main non-human causes of climate change.

What are changes in solar energy, meteorite impacts, major volcanic eruptions, and variations in Earth's orbit?

1000

The products of a chemosynthesis reaction are _______ and _____________.

What are glucose and sulfuric acid? (Also Acceptable: Carbohydrates and Sulfur Compounds)

1000

These are the three nested spheres in which sustainable development takes place.

What are the environment (Earth’s life support system), society, and the economy?

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