December 2023 Final Exam Quick Review

What is a reactant?

• ATP

• What goes INTO a chemical equation

• an organism that makes its own food

• What comes OUT of a chemical reaction.

What is a product?

• ATP

• What goes INTO a chemical equation

• an organism that makes its own food

• What comes OUT of a chemical reaction.

Where does photosynthesis occur?

• in primary consumers

• in producers

• in apex predators

• in secondary consumers

Cellular respiration occurs in the ​ (a)  

• mitochondria
• chloroplasts
• 3rd trophic level

Put in order from MOST energy available to LEAST energy available

• Apex predator

• Producer

• Primary consumer

• Secondary consumer

• Tertiary consumer

The organism pictured is a

• carnivore

• omnivore

• herbivore

• decomposer

The organism pictured is a

• producer

• consumer

• apex predator

• decomposer

Which organism below eats both plants and animals (omnivore)?

• 
• 
• 
• 

How much energy is passed on to each trophic level?

• 100%

• 90%

• 50%

• 10%

All energy in the ecosystem comes from the