Biodiversity 3.2

Question 1

Why do cells divide?

Answer 1

1. They cannot grow any larger
2. to repair or replace damaged cells
3. for reproduction and growth

Question 2

What are the two types of cell division

Answer 2

Mitosis and Meiosis

Question 3

Mitosis Cell division:

Answer 3

• Makes 2 identical cells
• One divison
• Each cell as the same number of chromosomes as the parent
• Asexual reproduction
• Unicellular organisms and body cells

Question 4

Meiosis Cell Division

Answer 4

-Uses an egg and sperm
-two divisions
-Each cell has half the numbers of chromosomes as the parent
-Sexual reproduction
Gamete produces zygote