Energy Flow in Organisms Stemscopes Unit Test

Substances chemically rearrange to form new substances

• photosynthesis

• cellular respiration

• chemical reaction

• moleucle

Any living thing

• chemical reaction

• matter

• organism

• photosynthesis

Change can only happen with---.

• chloroplast

• photosynthesis

• energy

• organisms

Matter

• organisms are put into place

• people move readily

• anything with volume and mass

• actions of organism

Obtaining energy by breaking down food into smaller molecules

• chemical reaction

• cellular respiraiton

• matter reproduction

• chemosynthesis

The smallest compound of two or more chemically bound atoms.

• molecule

• atoms

• reaction

• particles

Larger food molecules are broken down to smaller molecules.

• reduction

• abduction

• digestion

• sensation

Which step is missing?

Food

broken down

?

energy released

• atoms lost

• atoms given away

• atoms skipped

• atoms rearranged

 

Where do animals get the energy to sustain life functions?

• Moving molecules

• Absorbing water

• Eliminating waste

• Breaking down glucose

What are the reactants and products of cellular respiration?

• C6H12O6+O2 ---> ATP, CO2, H20

• CO2+O2 ---> ATP, C6H12O6, H20

• C6H12O6+CO2 ---> sunlight, O2, H20

• sunlight+CO2 ---> ATP, CO2, H20