Topic H- The Reproductive System Flashcards
seminal vesicle
opens into the sperm duct and produces seminal fluid
seminal vesicle
opens into the sperm duct and produces seminal fluid
prostate gland
opens into the urethra and produces an alkaline fluid which neutralises urine
urethra
passes down penis, both urine and sperm pass through it
epididymus
leads to sperm duct
testis
bundle of sperm-producing tubules which join and lead to the epididymus
oviduct
leads from ovary to uterus
ovary
produces eggs, attached to back wall of the abdominal cavity below the kidney
why do animals and plans reproduce?
numbers will fall- species is maintained
what is reproduction?
production of an organism of the same species
what are the advantages of sexual reproduction over asexual reproduction?
asexual- only one parent required
sexual- mixing up of 2 parents- helps to increase the variety(allows evolution, adaption)+ population
are there any disadvantages of sexual reproductive?
it requires 2 parents
slower process
how do we know that all dogs belong to the same species?
they can interbreed to produce fertile offspring
what are the special sex cells that are produces during sexual reproduction?
gametes
where is the information (need to make new individuals) contained
in special structure called cromosones in the nuclear of the cell
how do two sex cells join
during the process of fertilisation
prostate gland
opens into the urethra and produces an alkaline fluid which neutralises urine
urethra
passes down penis, both urine and sperm pass through it
epididymus
leads to sperm duct
testis
bundle of sperm-producing tubules which join and lead to the epididymus
oviduct
leads from ovary to uterus
ovary
produces eggs, attached to back wall of the abdominal cavity below the kidney
why do animals and plans reproduce?
numbers will fall- species is maintained
what is reproduction?
production of an organism of the same species
