Organism that depends entirely upon another living organism for its existence in such a way that it harms that organism?

Since a female is both xx chromosome and the male passes down the x chromosome, than the offspring would be female since a female is xx.

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the