Module 3D Flashcards
1
Q
What are the advantages of being multicellular?
A
Allows organism to be larger
Allows for cell differentiation
Allows organism to be more complex
2
Q
To be multicellular what must an organism have?
A
Specialised organ systems
1) communication between cells - CNS
2) supply cells with nutrients - circulatory system
3) controlling exchanges with environment- respiratory system
3
Q
What is mitosis?
A
When a cell reproduces itself by splitting to form two identical offspring
4
Q
Why is mitosis useful?
A
To grow and replace worn out cells and to repair tissue
5
Q
What must happen prior to mitosis ?
A
DNA replication
