Sentences with phrase «reproductive behaviour»

It covers every topic in this area of the spec: * The evolutionary explanations for partner preferences, including the relationship between sexual selection and human reproductive behaviour.

This similarity suggests that the proteins could promote cell growth and development in target tissue within the female's body and as a result influence female reproductive behaviour.

It is worth remembering that the UB and IRBio team led by Conxita Àvila has contributed to the discovery of the first Osedax bone - eating worm in the Antarctic continent and the Mediterranean, the nemertean Antarctonemertes riesgoae, which has a bizarre reproductive behaviour, and the annelid Parougia diapason, a new species discovered in Deception Island, among others, in the South Shetland Islands in the Southern Ocean.

The study shows that even at the low concentrations found in the wild, these chemicals can alter reproductive behaviour, says Schultz's collaborator, Heiko Schoenfuss, an aquatic toxicologist from St Cloud State University in Minnesota.

Not only is reproductive behaviour suppressed, but so is the entire system that links the brain to the pituitary gland to the gonad.

However, our understanding of reproductive behaviour in internal fertilizers has been revolutionized by the realization that females often copulate with more than one male, providing the scope for sexual selection to continue after copulation [2].

Sam (Christian Bale) and Alex (Kate Beckinsale) are engaged — he a psychiatry intern, she working on her PhD dissertation on the biological basis of fruit fly reproductive behaviour.

Moreover, they have shown that, through differential patterns of DNA methylation of the promoter region and thereby differential expression of the estrogen receptor alpha gene in the medial preoptic area (MPOA) of the brain, this individual variation of early experience influences adult reproductive behaviour, suggesting a mechanism for intergenerational transmission of the pattern of maternal care [137, 138].

Effects of body size on male reproductive behaviour in the southern elephant seal.

They are there to compensate for the genetic or hormonal differences that are necessary to create two sexes with different sets of genitals and reproductive behaviours.

«We assume that there may be differences in copulatory organs, in reproductive behaviour or pheromones, or in choosing specific habitats.

Specifically includes: The evolutionary explanations for partner preferences, including the relationship between sexual selection and human reproductive behaviour

For many aspects, the two species of the genus Mirounga are very similar: external appearance, behaviour at sea, movement on land, gross traits of mating system and reproductive behaviour.