dynamic study module chapter 46
which of the following is the correct sequence of stages in the development of sperm during the process of spermatogenesis?
Spermatogonial stem cell; spermatogonium; primary spermatocyte; secondary spermatocyte; early spermatid; sperm cell
what is an advantage of internal fertilization ?
Internal fertilization can occur outside of aquatic or marine habitats.
a hermaphrodite is _______
an individual with both male and female reproductive systems
seasonal changes can be important to reproduction because ______
availability of resources to invest in gestating offspring can vary with season availability of resources on which young can feed can vary with season migration and other seasonal movement patterns can affect the possibility of finding a mate environmental stresses that could affect offspring survival can vary with season
which of the following is a means of sexual reproduction?
fusion of egg and sperm
which reproductive method is the most prevalent in mammals?
internal fertilization
which of the following is an accurate statement concerning mating behavior in asexually reproducing species?
mating behavior is a stimulus that can help to bring about ovulation in asexually reproducing species
which of the following is an accurate statement about sexual reproduction?
most animals produce offspring by sexual reproduction
which of the following is an accurate statement about parthenogenesis?
pathogenesis appears rarely in vertebrates
which of the following is the correct path that sperm travel when leaving the body of a human male?
seminiferous tubule; epidemics; vas deferens; ejaculatory duct;
Individuals clustered in the same area that release their gametes into the water at the same time are engaging in __________.
spawning
Some insect females are able to store sperm in __________ until environmental conditions are favorable for the development of their offspring.
spermathecae
the human female's external reproductive structures are ______
the clitoris, two sets of labia, and vaginal opening
the "two-fold" cost of sex refers to ______
the lower numbers of reproductive offspring produced by individuals of species that have two sexes