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all living things of the same species in the same habitat
population
part of the male reproductive system that produces sperm
testes
part of the male reproductive system that keeps the testes at the correct temperature
scrotum
tube that carries sperm from the testes to the urethra
sperm duct
gland that adds fluid to sperm to form semen
prostate gland
tube that carries urine and semen out of the body
urethra
male reproductive organ that transfers sperm into the female
penis
part of the female reproductive system that produces egg cells
ovaries
tube that carries the egg from the ovary to the uterus
oviduct
organ where a fetus develops
uterus
ring of muscle at the lower end of the uterus
cervix
tube that receives the penis during sexual intercourse
vagina
fusion of the nuclei of a sperm and an egg cell
fertilisation
adaptive feature of sperm used for movement
flagellum
adaptive feature of sperm that provides energy
mitochondria
part of the sperm containing enzymes to digest the egg coating
acrosome
