Interactions
Human Impact
Energy
Mystery
SI Units
100

A community of living organisms interacting with each other and the physical (non-living) environment


What is an ecosystem?

100

the presence of substances in the environment that produce undesirable impacts

What is pollution?

100

A chemical reaction where plants convert solar energy into biologically available energy in the form of glucose

What is photosynthesis?

100

What is one nutritional or environmental benefit of eating crickets

100

What is the SI unit for length?

meter (m)

200

Any type of close, long-term relationship between two different organisms



What is symbiosis?

200

Describe two different human activities that cause pollution.


200

Why do plants need roots?

To absorb water and nutrients from the soil; for stability

200

According to the film Food Inc., which corporation is the largest buyer of potatoes and other food products in the United States?

McDonalds

200

What is the SI unit for mass?

kilogram (kg)

300

A relationship between two organisms where one organisms benefits at the expense of the other (e.g., fleas on a dog)


What is parasitism?

300

What does AQI measure?

air quality / air pollution / the concentration of specific contaminants in the air

300

What percentage of energy is passed (transferred) between trophic levels in an energy pyramid?

ten percent

300

Why do different biomes exist in different parts of the planet? What 2 factors determine which biome exists in a given place?

300

What is the SI unit for temperature?

Kelvin (K)

400

Name (or point to) one consumer in the food web diagram below.


the hawk, the rabbit, the mouse

400

Which pollutant is primarily responsible for global warming?

Carbon dioxide (CO2)

400

Describe one way the presence of large forests help to mitigate (protect against) the process of global warming. 

Plants sequester carbon dioxide from the atmosphere.

400

What are the two most common gases in the atmosphere?

nitrogen and oxygen

400

Name one derived SI unit.

Newtons (N) measure force

Joules (J) measure energy

Watts (W) measure power

Hertz (hz) measure frequency


500

What is the difference between a heterotroph and an autotroph? Name one example of each.

A heterotroph is an organism that must consume other organisms to obtain food (e.g., a tiger). A heterotroph is an organism that can produce its own food (e.g., a photosynthetic plant).

500

What is the name of this type of pollution? (OR: can you name one of the pollutants involved in its formation?)

Photochemical smog; formed when nitrogen oxides and volatile organic compounds react with sunlight to produce ozone; NOx and VOCs are primary pollutants in this example, ozone is a secondary pollutant

500

Write the equation for the photosynthesis reaction.


500

What is the main food source for cows, pigs, and other livestock?

corn

500

Convert 745 mm to meters

0.745 m