Lesson 15: Unit 2 - Energy Flashcards
How do cells power life?
What is “chemical digestion”?
(with the help of…)
The breakdown of food with the help of enzymes
What are autotrophs?
Organisms that create their own food inside their bodies.
What are heterotrophs?
Organisms that cannot produce their own food.
They rely on consuming other organisms.
True or False: All plants are autotrophs.
True
Multiple Choice
Which gas is a byproduct of photosynthesis?
A) Oxygen
B) Carbon Dioxide
C) Nitrogen
D) Hydrogen
Byproduct: Secondary result of a process
A) Oxygen
What do plants USE during photosynthesis?
THERE ARE 3 THINGS
Sunlight, carbon dioxide and water
True or False
Photosynthesis occurs only in leaves.
False
Photosynthesis can also occur in other parts of plants: stems, branches, as long as they contain chlorophyll.
Fill in the blank
The process of energy captured in photosynthesis occurs in the plant’s ______.
(Where chlorophyll is located)
chloroplasts
What is the primary source of energy for photosynthesis?
Sunlight
Multiple Choice: Which of the following is NOT a reactant in photosynthesis?
A) Water
B) Glucose
C) Carbon Dioxide
Reactant: A starting substance in a chemical reaction
B) Glucose
What role does sunlight play in photosynthesis?
It provides the energy needed for the chemical reactions.
True or False
All autotrophs perform photosynthesis.
False
Fill in the blank
The glucose produced in photosynthesis is used by plants for ______.
energy and growth
What is the chemical equation for photosynthesis?
6CO2 + 6H2O + light energy → C6H12O6 + 6O2
What is the importance of photosynthesis to life on Earth?
It produces oxygen which is essential for the survival of most living organisms.
True or False
Photosynthesis can occur without sunlight.
False
