Male and female reproduction systems have several similarities and several differences. All BUT ONE describes a difference between the two
A) Females release one ova/month while males produce thousands of
sperm/day
B) Males gonads tie outside the body; female gonads are found within the
body
C) Male gametes are expelled from the body, female gametes are not
expelled from the body.
D) In males the reproductive and urinary tracts share a common opening, this
is not the case for females

What happens whenever a net force acts on an object

One gene can influence trait(s). one trait can be determined by gene(s).

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.