Energy
Which uses the most energy in American homes each year?
lighting, water heater, heating and cooling or refrigeration
Heating and Cooling
Do animal cells have a cell wall?
No
What type of charge does an electron have?
Negative charge
What does integumentary mean?
Skin
In the levels of organization what comes after population?
Community
The U.S. consumes lots of energy. Which fuel provides the most energy?
petroleum, coal, natural gas, solar
Petroleum
What organelle produces proteins?
Ribosomes
Where are electrons located in an atom?
Electron shells or orbitals
What does pulmonary mean?
Lungs
What is a tertiary consumer in a food chain?
The third organism that eats something else.
Power is measured in Watts. What is energy measured in?
Joules
What is the name of cell division in body cells?
Mitosis
What does the word mean?
Uncuttable or indivisible
What does systemic mean?
System
What is the ultimate source of energy?
Sun
Which famous scientist developed the equation for energy, E=MC2?
Albert Einstein
How many chromosomes are in human cells?
46
What determines the atomic number of an atom?
Number of protons
How many muscles does it take to frown?
About 10, 20, 30, 40
About 40 muscles--43 muscles
Is it an autotroph or a heterotroph that makes their own food?
Autotroph
What do humans have to do to get the energy they need everyday?
Eat
What is the energy created in the mitochondria of a cell?
ATP
Why are some atoms radioactive?
They are unstable and start to go through radioactive decay which releases radiation.
How many muscles does it take to smile?
about 10, 20, 30, 40
About 20---17 muscles.
How much energy is passed on to each level of the food chain as you move up to the highest consumer?
10%