Early Theories of Evolution

Carolus Linnaeus’ major contribution to biology?

Created a classification system to group organisms based on similarities

What scientist propsoed that organisms could pass on traits acquired during their lifetime?

Jean-Baptiste Lamarack

Why is Mary Anning Important?

Known for her study of fossils, particularly marine reptiles, provided evidence of extinct species

How did Linnaeus’ classification system help later scientists, such as Darwin?

Helped identify relationships between species based on shared characteristics

Significance of the Galapagos Islands in Darwin’s research?

Had diverse species that showed variations based on environmental differences

Lamrack’s Theory

proposed that organisms evolve through the inheritance of acquired characteristics, suggesting that traits developed during an organism's life can be passed on to offspring. Theory of acquired characteristics.

Evolution

the study of how traits are passed from one generation to the next

Affect fossil evidence had on Darwin’s theory of evolution.

provided physical links to past and present species. It demonstrated changes over time and supported the idea of common descent among species.

Role Charles Darwin played on his voyage around the world

observe and collect specimens as the ships naturalist

Characteristic Darwin observed about the finches on the Galapagos islands.

Differences in beak shapes and sizes adapted to their specific diets.

The idea that Earth is shaped today by the forces of wind, rain, rivers, volcanoes, and geological uplift just as it has been in the past is known as ____

uniformitarianism

Uniformitarianism

The theory that geological processes occurring today are the same as those that occurred in the past, shaping the Earth's features over time.

Who was Carolus Linnaeus, and what was his contribution to the study of biological diversity

Linnaeus was a botanist who developed the system of binomial nomenclature, classifying organisms by genus and species, laying the foundation for modern taxonomy.

gene expression

determines how a cell acts and its function by regulating the production of proteins and other molecules