In fact, scientists have been asking for decades, why does sexual reproduction even exist? If the goal of life is spreading one's genes far and wide, asexually reproducing organisms seem to have ...

An organism is formed when different organ systems ... sensitivity, growth, reproduction, excretion and nutrition. They have adaptations that make them very well suited for life in their environment.

If asexual reproduction survives at all ... Efficiency, for one thing, is on the side of asexual organisms: Without the need for males, every clonal individual passes a full set of identical ...

The Basics of Life History Theory Life history theory seeks to explain how natural selection and other evolutionary forces shape organisms to optimize their survival and reproduction in the face ...

Ernst Mayr: Members of a Species Share Reproduction Importantly, this property of evolving together does not apply to kinds of organisms above the species level. For example, birds are not ...

clonal organisms have a knack for persisting in one place where their sexually-reproductive cousins easily whither. Asexual ...

advantages and disadvantages of sexual and asexual reproduction, organisms which use asexual and sexual reproduction, DNA structure, the human genome, protein synthesis, and mutations. If you ...

In sexual reproduction—the way most life-forms ... asexual reproducers—some 70 vertebrate species and many less complex organisms—“use all the chromosomes they have” to solitarily ...

They are an associate science editor at The Scientist. View Full Profile. Learn about our Editorial Policies. These organisms are also successful models because of their versatility. “The best model ...

Jellyfish are among the oldest animals on Earth, found in all the world's oceans and serve as valuable model systems for biological research. Microbiologists at Kiel University (CAU) have now shown ...