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Questions and Answers
¿Cuál es el objetivo principal del estudio de la ecología?
¿Qué es un factor abiótico en un ecosistema?
¿Qué es un servicio del ecosistema?
¿Qué es una red trófica?
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¿Qué es la energía en una cadena trófica?
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¿Qué es el ADN?
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¿Qué es un gen?
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¿Qué es el fenotipo de un individuo?
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¿Quién descubrió las leyes de la herencia?
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¿Qué es la genética?
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Study Notes
Ecology
- Study of the relationships between living organisms and their environment
- Examines the interactions between organisms and their physical environment (e.g. climate, soil, water)
- Focuses on the dynamics of populations, communities, and ecosystems
Key Concepts:
- Biotic factors: living components of an ecosystem (e.g. plants, animals, microorganisms)
- Abiotic factors: non-living components of an ecosystem (e.g. light, temperature, water)
- Ecosystem services: benefits provided by ecosystems (e.g. air and water purification, soil formation)
- Food webs: networks of predator-prey relationships in an ecosystem
- Energy flow: movement of energy from one trophic level to the next in an ecosystem
Genetics
- Study of heredity, genes, and genetic variation
- Examines the transmission of traits from one generation to the next
- Focuses on the structure and function of genes and genomes
Key Concepts:
- DNA: double-stranded molecule containing genetic information
- Genes: units of heredity that carry information from one generation to the next
- Genotype: genetic makeup of an individual
- Phenotype: physical and behavioral characteristics of an individual
- Mendel's laws: principles of inheritance discovered by Gregor Mendel (e.g. segregation, independent assortment)
Evolution
- Study of the changes in the characteristics of populations over time
- Examines the processes that shape the diversity of life on Earth
- Focuses on the adaptation of populations to their environment
Key Concepts:
- Natural selection: process by which populations adapt to their environment
- Speciation: formation of new species
- Adaptation: trait that increases an individual's fitness in a given environment
- Fossil record: chronological record of the history of life on Earth
- Homologous structures: structures shared between different species that have a common evolutionary origin
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Description
Explore the basics of biology, covering the relationships between living organisms and their environment, the study of heredity and genetics, and the changes in populations over time.