Search found 5 matches

by sole_05
Mon Jun 06, 2005 4:38 pm
Forum: Evolution
Topic: Life History Parameter: Sex ratio/Age of First Reproduction
Replies: 18
Views: 14170

Life History Parameter: Sex ratio/Age of First Reproduction

Some interesting issues that needs some input to clarify some of these evolutionary changes in human sex ratio and age of first reproduction. Here we go! 1. There is common concept that males in some human professions (e.g. deep sea divers, footballers) are more likely to father daughters than sons....
by sole_05
Sat May 21, 2005 2:45 am
Forum: Evolution
Topic: Evolution trend in parthenogenesis reproductive strategies
Replies: 4
Views: 7653

Hello! Would there be anyone interesting in sharing with regard to parthenogenesis?

need some thoughts on this! any piece of thought would help.

happy discussion.
sole
by sole_05
Sat May 21, 2005 2:34 am
Forum: Evolution
Topic: Human as a monogamous species...
Replies: 14
Views: 14259

Thanks for your input....shed some some lights if you do...

Oh well done guys, thanks a lot for sharing! But just wondering, if human do it for fun as some of you said rather than producing babies or vice versa, don't you do it for fun first than expect babies later? As some of you said (refer to your message), if human species is doing it for fun, just wond...
by sole_05
Fri May 20, 2005 4:59 pm
Forum: Evolution
Topic: Human as a monogamous species...
Replies: 14
Views: 14259

Human as a monogamous species...

1. Humans are actually considered to be a monogamous species and yet we all know of examples where the single pair concept is not rigorously maintained. In this case are we different from other species? 2. In a case where species have mating systems with multiple partners, polygyny (one male mating...
by sole_05
Fri May 20, 2005 4:43 pm
Forum: Evolution
Topic: Evolution trend in parthenogenesis reproductive strategies
Replies: 4
Views: 7653

Evolution trend in parthenogenesis reproductive strategies

Since parthenogenesis is common in plants, moderately common in invertebrate animals, occasionally reported in fish, frogs and lizards, but never reported in birds and mammals. I just want to speculate on why this evolutionary trend may have occurred. I actually did a search on PubMed and there are...