Why is it costly to produce males

Females are born with all the eggs they will ever have, op.Are horns costly to produce.Why is diesel fuel more expensive than gas?We conclude that asexual p.Then, has natural selection resulted in the males of some many species investing in the production and use of this hormone?

They may price a particular puppy a little more because it is receiving more attention (color, coat pattern, eye color, etc) but not just because of the puppy's gender.The crown and radial growth rates of females were lower than those of males.Eggs are the biological equivalent of $100 bills to sperm's pennies.Despite everything, no two men are exactly alike.As a consequence, males have more reproductive potentials than the females in terms of producing more offspring.

In highly dimorphic species (when males are at least ~60% larger), the extra costs of male body mass can actually raise the daily energy expenditure beyond that experienced by lactating females (key & ross 1999 ).Antipodarum produce at least as many viable offspring as sexual females, resulting in at least a two‐fold fitness cost for sexual reproduction.Males are limited with respect to the number of.Now, let us consider men.Sperm health is sensitive to environmental factors like diet and exercise, but.

In order to solve this question, we have to talk about the hypothalamus between three blunt axis.