Middle school biology Unit 3 Flashcards
(12 cards)
What do all living things need?
All living things need food.
How do plants make their own food?
Plants make their own food through photosynthesis.
How do animals obtain food?
Animals get food by eating other living things.
What are some important food molecules?
Some important food molecules are fats, proteins, and sugars.
What do these food molecules contain?
These food molecules all contain carbon atoms.
What happens to large food molecules in animals?
Large food molecules are broken down into smaller molecules during digestion.
What happens to smaller molecules after digestion?
These smaller molecules eventually make it inside cells.
What occurs inside cells with the molecules?
Chemical reactions rearrange the molecules’ atoms, forming new molecules.
What can many of these new molecules become part of?
Many of these new molecules can become part of an organism’s cells and tissues.
How does this process help the organism?
This helps the organism grow bigger and stay healthy.
What is another use of molecules from food?
Other molecules from food are used for energy.
What process occurs for energy production?
This occurs through the process of cellular respiration.