seeds and germination Flashcards
1
Q
what is germination
A
a process controlled by enzymes in which the seed begins to develop into a new, young plant
2
Q
what are the main components of the seed
A
embryo root and embryo shoot
food store
seed coat
3
Q
what are the three main factors needed for germination
A
warmth
oxygen
water
4
Q
why is oxygen needed for germination
A
it is required for aerobic respiration, which provides the energy needed for the plant to grow
5
Q
why is warmth needed for germination
A
increases rate of enzyme activity which increases the rate of growth
cant get too warm as enzymes will denature and plant will stop growing
6
Q
why is water needed for germination
A
causes seed to swell and activates enzyme required for growth
