Topic 3 - Sexual And Asexual Reproduction Flashcards
1
Q
What is sexual reproduction?
A
The joining of two sex cells or gametes during fertilisation
- organisms have 2 parents and are genetically similar to both
2
Q
What is asexual reproduction?
A
Involves one parent so no joining of cells during fertilisation
- Organisms are genetically identical to each other and their parent
3
Q
Sexual reproduction in animals
A
Requires 2 parents
Male gamete - sperm
Female gamete - egg
Variation is present in offspring
4
Q
Sexual reproduction in plants
A
Requires two parents
- male gamete - pollen grains
- female gamete - ovule
variation present in offspring
5
Q
2 Benefits of sexual reproduction
A
- variation in offspring
- species can adapt to new environments due to variation which gives them a survival advantage
6
Q
2 benefits of asexual reproduction
A
- it’s more time efficient due to not having to mate
- only requires one parent
