What is reproduction?
The process through which living organisms produce new individuals of the same species.
What are the two main types of reproduction?
Asexual reproduction and sexual reproduction.
What is asexual reproduction?
Reproduction involving a single parent, producing genetically identical offspring.
Name one organism that reproduces by binary fission.
Bacteria.
What is budding?
A type of asexual reproduction where offspring develop as outgrowths from the parent.
What is vegetative propagation?
Asexual reproduction in plants where new plants grow from roots, stems, or leaves.
How do spores aid in reproduction?
They are lightweight, unicellular bodies that grow into new organisms under favorable conditions.
What is sexual reproduction?
Reproduction involving the fusion of male and female gametes, forming a zygote.
What is meiosis?
A type of cell division that produces haploid gametes or spores.
During which stage of meiosis does crossing over occur?
Prophase I.
What is conjugation in Spirogyra?
A form of sexual reproduction where gametes transfer through a conjugation tube, forming a zygospore.
What is implantation?
The embedding of a blastocyst into the uterine wall for placenta development.
What connects the fetus to the placenta?
The umbilical cord.
What is the function of the amniotic sac?
It protects the fetus and prevents bacterial entry.
How do birds reproduce?
Through internal fertilization, followed by egg-laying with a yolk for nourishment.
What is the reproductive strategy of most fish?
External fertilization, with eggs and sperm released into water.
How do reptiles ensure the development of their eggs?
They lay fertilized eggs in soil where heat and nutrients support development.
What is the main function of the male reproductive system?
To produce sperm and facilitate fertilization of the egg.
Name one function of the female reproductive system.
To produce eggs and provide an environment for fetal development.
What hormone regulates menstruation?
Progesterone.
1 / 20