Unit 1 Flashcards
What is structure?
The shape, materials, and how something is built.
What is function?
The purpose of the object, what it’s used for.
How does structure determine function?
The way an object is made affects how it works.
If you change an objects structure, it will…
change it’s function.
What is the structure of a tire?
Round, rubber, hollow
What is the function of a tire?
To roll
If a tire becomes flat, how will that affect its function?
When it’s structure is changed, it can’t roll and so the function will not be the same.
What does PMC stand for?
Program, Metabolism, Container
Every living thing holds DNA, the instructions to life.
Program
What is metabolism?
Getting and using energy to grow and build more molecules.
Why is a container important?
It holds the organism inside and helps maintain homeostasis.
What is energy processing an example of in the PMC model?
Metabolism
Are viruses living according to the PMC model?
No, because they don’t get and use energy (metabolism).
What is the fundamental building block of a chemical element?
an atom
What level of organization do chloroplast and mitochondria belong to?
Organelle
