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Chapter 1 Vocabulary 1. Biosphere: consists of all parts of the planet that are inhabited by living things. 2. Ecosystem: community of living things in an area along with nonliving features of the environment that support the living community. 3. Organism: individual living things. 4. Cells: life’s basic units of structure and function. 5. DNA: chemical response for inheritance. 6. Genes: units of inheritance information. 7. Species: distinct form of life. 8. Classifications: organizing similar species larger groups. 9. Domain: broadest category of classifying life forms. 10. Archea: consist of prokaryotic organisms. 11. Bacteria: consist of prokaryotic organisms. 12. Prokaryotic Cells: cells without nuclei. 13. Eukaryotic Cells: contain nuclei that separate DNA from the rest of the cell. 14. System: combination of parts can form a more complex organization. 15. Reproduction: ability of organisms to reproduce their own kind. 16. Producers: produce the food upon which the entire ecosystem depends. 17. Consumers: animals and other organisms that eat the food made by the producers. 18. Regulation: ability of organisms to regulate their internal conditions. 19. Homeostasis: the ability of mammals and birds to regulate body temperature. 20. Adaption: is an inherited trait that helps the organism’s ability to survive and reproduce in its particular environment. 21. Population: localized group of organisms belonging to the same species. 22. Variations: raw material that makes it possible for a population to adapt to its environment. 23. Natural Selection: works by the natural environment “selecting” certain inherited traits. 24. Evolution: generation-to-generation change in proportion of different inherited genes in a population. 25. Kingdoms: four kingdoms. Protists, Fungi, Plants, and Animals 26. Science: A quest to understand nature.
27. Observations: the use of the senses to gather and record info about structures or processes.
28. Qualative data: observations are often recorded as measurements.
29. Quantitative data: observations in the form of a description instead of measurements.
30. Discovery science: describes natural structures or processes as accurately as possible through careful observation and data collection.
31. Inference: a logical conclusion based on