A comparative potential productivity of animal species is considered as their pro-perty for increasing the biomass of the body in themselves and in their offsprings. Productivity is determined in absolute values (e. q. kg) ...

Body roundness is pronounced in a general course of evolutionary development of animals characterizing an increase in their productivity. This is illustrated by numerous examples on various groups of vertebrates and ...

Задачей настоящей работы было изучение единовременного распределения донных хирономид по всей площади пруда, имеющего различные биотопы, с целью более точной ориентировки в колебаниях их численности в этих биотопах. Такие ...

The idea is widely spread of the ability of organisms to reproduction in geometrical progression. But it is shown on some examples that potential progression of reproduc-tion of the animals usually differs essentially from ...