Term 3 Asexual and Sexual Reproduction Flashcards
What are the requirements for sexual reproduction in terms of gametes and the number of parents?
Sexual reproduction requires the fusion of male and female gametes and involves two parents.
What are the requirements for asexual reproduction in terms of gametes and the number of parents?
Asexual reproduction does not require gametes and involves only one parent.
What are the advantages of sexual reproduction?
Genetic diversity, adaptation to new environments, and increased survival chances in changing environments.
What are the disadvantages of sexual reproduction?
Requires two parents, is slower, and requires more energy compared to asexual reproduction.
What are the advantages of asexual reproduction?
Faster reproduction, only one parent required, and efficient in stable environments.
What are the disadvantages of asexual reproduction?
Lack of genetic diversity and vulnerability to the same diseases.
Name different methods of asexual reproduction (7 types)
Binary fission, budding, fragmentation, vegetative propagation, parthenogenesis, apomixis and spore formation.
What is the function of the anther in a flower?
The anther produces pollen grains containing male gametes.
What is the function of the filament in a flower?
The filament supports the anther.
What is the function of the stigma in a flower?
The stigma receives pollen during pollination.
What is the function of the style in a flower?
The style connects the stigma to the ovary.
What is the function of the ovary in a flower?
The ovary contains ovules, which develop into seeds upon fertilization.
Describe the process of pollination
Pollination is the transfer of pollen from the anther to the stigma of the same or another flower, carried out by wind, water, or animals.
What is the function of the ovule in a flower?
The ovule contains the female gamete.
Describe the process of fertilization in flowering plants
Fertilization occurs when a pollen tube grows from the stigma to the ovary, allowing the male gamete to fuse with the female gamete in the ovule, forming a zygote.