Natural descent is basically another term for generations (as in a family-line). Legal descent is a term that deals with inheritance rules that were established to describe what happens if someone passes away and leaves no legal will.
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∙ 9y agoAscent is an antonym of descent.
tracing descent through the mother.
True.
speciation
"Rate of descent" is a speed; so the idea is to divide the distance by the time.
natural descent
No, it's the other way around: descent with modification is what you need for natural selection to happen.
Natural descent is a child that is born naturally through the will of male and female reproduction. Unnatural descent may be those born through a surrogate, or through in-vitro fertilization.
Steps in natural descent refer to the gradual development and evolution of a species through generations, following the principles of natural selection and genetic variation. It describes the process by which traits that are advantageous for survival and reproduction become more common in a population over time, leading to the adaptation and diversification of species in response to their environment.
He explained them in terms of descent with modification, common descent and natural selection.
One was Darwin's theory was the process of evolution by natural selection and the second one was Lyell's theory was that animals can adapt and change their traits to fit the environment.
natural selection and common descent
A fascination with the natural world, animals and plants and geology and his major discovery, his hypothesis of Natural Selection and Evolution of Descent with Modification!!
The first condition of Darwin's Theory of Natural Selection by Descent with Modification is that individuals within a population exhibit variation in their traits.
The evidence for evolution suggests that all living things are related through common ancestry, and that populations of organisms change over time in response to their environment. This is supported by fossil records, comparative anatomy, embryology, and molecular biology.
Natural selection is one mechanism that contributes to the diversity of life on Earth rather than demonstrating unity among living organisms. It acts on individual organisms within populations, leading to adaptations that enhance their survival and reproduction in specific environments. The unity among all living organisms is better demonstrated through their shared genetic code, structural similarities, and common ancestry.
Darwinian evolution is descent with modification and natural selection, or, in other terms, reproductive variation and differential reproductive success.