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\begin{tabular}{l} Genetic drift resulting from a drastic reduction in population \\ size. Typically, the surviving population is no longer \\ genetically representative of the original population. \\ A group of individuals belonging to one species and living in \\ the same geographic location. \\ A period of little to no change in the fossil record. \\ \( \begin{array}{l}\text { The chronicle of evolution over millions of years of geologic } \\ \text { time engraved in the order in which fossils appear in rock } \\ \text { strata. } \\ \text { Evolution occurs through the slow appearance of new } \\ \text { characteristics that over time lead to new species. }\end{array} \) \\ \hline\end{tabular}

Ask by Rogers Bradley. in the United States
Jan 24,2025

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Genetic drift occurs when a population's size drastically decreases, leading to a loss of genetic diversity. A population is a group of individuals of the same species living in the same area. Stasis refers to periods in the fossil record where there's little evolutionary change. The fossil record documents the history of life by preserving remains of organisms. Gradualism is the idea that evolution happens slowly and steadily through small changes over time.

Solución

It seems you have provided a table with descriptions related to evolutionary biology concepts. Let's break down the information presented in the table: 1. **Genetic Drift**: This refers to the changes in the frequency of a gene variant (allele) in a population due to random sampling of organisms. A drastic reduction in population size can lead to a loss of genetic diversity, meaning the surviving population may not represent the genetic makeup of the original population. 2. **Population**: This is defined as a group of individuals of the same species that live in the same geographic area. Populations are the basic units of evolution and ecology. 3. **Stasis**: This term describes a period in the fossil record where little to no evolutionary change occurs. It indicates that species remain relatively unchanged for long periods. 4. **Fossil Record**: This is the history of life on Earth as documented by fossils, which are preserved remains or traces of organisms. The fossil record provides insight into the chronological order of species appearance and extinction over geological time. 5. **Gradualism**: This is the theory that evolution occurs slowly and steadily through the gradual accumulation of small changes, leading to the emergence of new species over time. If you have a specific question or need further clarification on any of these concepts, please let me know!

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A fascinating chapter in evolutionary history involves the bottleneck effect, where a sudden event, like a natural disaster, wipes out a large portion of a population. The few survivors then contribute to the genetic makeup of future generations, often leading to reduced genetic variation that can affect adaptability and survival of the species. It's like a game of chance—only a handful of cards are left in play! In the real world, understanding these processes helps conservationists tackle endangered species. By studying genetic drift and population bottlenecks, they can devise breeding programs that aim to maintain genetic diversity, ensuring that future populations remain resilient. Think of it as a genetic lifeboat, ensuring that legacy traits survive and thrive in the long run!

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