Germination Flashcards
1
Q
What is germination
A
When a seed starts to grow
2
Q
What conditions are needed for germination
A
Water, oxygen, temperature
3
Q
Why does germination need water
A
To activate the enzymes that break down food reserves in seed
4
Q
Why does germination need oxygen
A
For respiration which transfers energy from food for growth
5
Q
Why does germination need the correct temperature
A
For the enzymes to work
6
Q
What does the correct temperature depend on
A
The type of seed
7
Q
Steps of germination
A
Seed takes in water and starts to grow using its energy store
Root starts to grow down
Shoot starts to grow up
Extra roots grow and green leaves appear
8
Q
When can photosynthesis start
A
When the plant has grown enough to produce green leaves