different sexes can be confirmed by studying living species. How could you look for evidence of sexual dimorphism in the fossil record? How could you distinguish this from ontogenetic differences (i.e. juveniles vs. adults)?

different sexes can be confirmed by studying living species. How could you look for evidence of sexual dimorphism in the fossil record? How could you distinguish this from ontogenetic differences (i.e. juveniles vs. adults)?

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter7: The Cellular Basis Of Inheritance

Section: Chapter Questions

Problem 12CTQ: Explain the advantage that populations of sexually reproducing organisms have over asexually...

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Concept explainers

Sexual Motivation

Sexual motivation refers to a person's overall desire for sexual activity. It is an unusual motivation. Generally, among lower animals, the term 'drive' is commonly referred to as sexual motivation. It means a certain internal force drags the animal to be involved in reproductive behavior. On the contrary, humans are not simply driven by any internal force; rather, the sexual motivation in humans is due to several factors such as biological (hormones, genes), environmental (familial upbringing, chemical exposure) and physiological factors (culture, desire) which further determine engagement in sexual activities.

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