A V Yablokov A V Yablokov

Just like the studies of species adaptations phenomenology do not reveal the mechanism of a new species adaptation emerging (speciation), so the enormous bulk of data on phenomenology of ecosystem processes, collected to date, does not disc...

S Yu Popov S Yu Popov

Betula pendula and B. pubescens are widespread species inhabiting the forest zone of Russia. At the same time, they are closely related species making up transitional forms. It is believed that their ecological ranges are overlapping to a g...

S P Maslova,T K Golovko S P Maslova

In the review, the problem of plant movements (photo- and gravitropism) is discussed. The contemporary data on physiological and molecular mechanisms of tropisms in underground shoots and roots are presented. Special attention is paid to di...

V G Mordkovich V G Mordkovich

e-mail: mu4@eco.nsc.ru Four aspects related to succession theory are highly disputed. The first aspect concerns broad usage of the term "succession" for any level of life organization. The second aspect concerns the compatibility of chronol...

N Yu Vasilieva,O N Shekarova,A M Khrushchova et al. N Yu Vasilieva et al.

We studied the relationship between female mate choice and male-male competition in Campbell's dwarf hamster. Sexually motivated (SM) females chose between two tethered male siblings that differed in expression of sexual traits. Males were ...

N G Eneva,L N Nefedova,A S Loktionova et al. N G Eneva et al.

In every one case out often, the reason behind female infertility turns out to be an orphan disease called 'hypogonadotropic hypogonadism', the single symptom of which is the reduced level of gonadotropins and, as a consequence, amenorrhea ...

D D Zworykin D D Zworykin

Clado- and semogenetic approaches, when used in concert, make it possible to resolve questions concerning phylogenetic relationships between a group representatives as well as phylogenesis of those representatives' traits. Parental care pat...

N Ya Weisman,M D Golubovsky N Ya Weisman

Epigenetic phenomena are defined as morpho-physiological changes not related to impairments of DNA sequence. The results of our study indicate that a pulsed non-mutagenic thermal stress inflicted on developing ova (pro-embryos) gives rise t...

A O Kirillova,Yu A Kraus,A V Markov A O Kirillova

Developmental processes of cnidarians, the basal metazoan representatives, possess extremely high regulative ability. It is known that any isolated fragment of the freshwater polyp hydra's body can regenerate an intact animal. Moreover, in ...

L A Semkina,S A Shavnin L A Semkina

The emergence of plants with red leaves is related to accumulation of permanent anthocyanin pigments. Their temporary production under unfavorable environmental conditions is usually treated as an adaptive trait facilitating thermal stabili...