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3 days ago · evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the distinguishable differences are due to modifications in successive generations. The theory of evolution is one of the fundamental keystones of modern biological theory.
- Evolution
The science of evolution The process of evolution Evolution...
- Types of Selection
Evolution - Natural, Sexual, Artificial: Natural selection...
- The Fossil Record
Evolution - Fossils, Species, Adaptation: Paleontologists...
- Species and Speciation
Evolution - Species, Speciation, Adaptation: Darwin sought...
- Biogeography
Evolution - Biogeography, Adaptation, Species: Darwin also...
- Dynamics of Genetic Change
Evolution - Genetics, Variation, Adaptation: Genetic...
- Intelligent Design and Its Critics
Evolution - Intelligent Design, Criticism, Theory: William...
- Mechanical Isolation
Evolution - Mechanical Isolation: Copulation is often...
- Modern Conceptions
Evolution - Natural Selection, Genetics, Adaptation: The...
- Diversity and Extinction
Evolution - Diversity, Extinction, Adaptation: The current...
- Evolution
2 days ago · Life, living matter and, as such, matter whose attributes include responsiveness, growth, metabolism, energy transformation, and reproduction. Each individual is composed of one or more minimal living units, called cells, and is capable of transformation of compounds, growth, and participation in reproductive acts.
3 days ago · Astronomy is the study of objects and phenomena beyond Earth, whereas cosmology is a branch of astronomy that studies the origin of the universe and how it has evolved. For example, the big bang, the origin of the chemical elements, and the cosmic microwave background are all subjects of cosmology.
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4 days ago · A species ( pl.: species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. [1] It is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.
Apr 12, 2024 · Electrons and a compact nucleus of protons and neutrons. Atoms are the basic particles of the chemical elements. An atom consists of a nucleus of protons and generally neutrons, surrounded by an electromagnetically bound swarm of electrons. The chemical elements are distinguished from each other by the number of protons that are in their atoms.
- 1.67×10−27 to 4.52×10−25 kg
- zero (neutral), or ion charge
5 days ago · Research into the origin of life. Learn how certain small molecule interactions may have been responsible for the life itself. You will find scientific theories and findings here.
Apr 2, 2024 · The field of Science has much to contribute to our understanding of human origins. There is a growing body of scientists who point to ever more reasons for doubting the standard evolutionary story and who provide cause to look in new directions. 13 April, 2024 - 21:00 Robbie Mitchell.
