Reproduction Flashcards
1
Q
Asexual reproduction
A
single parent
genetically identical offspring
2
Q
asexual advantages
A
- large number, quickly
- small amount of energy
- adapt well to CURRENT ENVIRO
(must be stable)
3
Q
asexual disadvantages
A
- lack of variation
- weak genes passed down
- overpopulation
seeds not dispersed, cluster
4
Q
sexual repro
A
2 individuals
produce gametes
fuse to form new organism
genetically unique
5
Q
advantages of sexual
A
- offspring genetically unique
- can adapt to change
- specialised structures, success
- allow species to be spread
6
Q
disadvantages of sexual
A
specialised - lot of energy to make
- need ideal conditions (wind, seasons
- needs agents of pollination
7
Q
artificial propogation (asexual)
A
gratfing
tissue culture
cutting
8
Q
natural vegetative propagation (asexual)
A
non flowering plants
runners - (horizontal stems develop new roots)
rhizomes - underground stems
tubers - modified rhizomes (potatoes)
plantlets - miniature plants produced on leaf margin of a parent leaf
bulbs - onions, shoots develop
corns