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Biology: It Grows on You

Biology: It Grows on You. What is Biology?. Definition: Study of Life. Branches of Biology. Ecology- Interactions between living organisms Genetics- Inheritance of traits Biochemistry-  the study of the chemical reactions required for life Botany- Study of Plants Zoology- Study of Animals.

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Biology: It Grows on You

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  1. Biology: It Grows on You

  2. What is Biology? • Definition: Study of Life

  3. Branches of Biology • Ecology- Interactions between living organisms • Genetics- Inheritance of traits • Biochemistry- the study of the chemical reactions required for life • Botany- Study of Plants • Zoology- Study of Animals

  4. What makes something living?5 characteristics of life? ?

  5. Cells • Living organisms are organized/comprised of cells • Unicellular-Comprised of one cell • Multicellular- Comprised of multiple cells

  6. Reproduction • All living organisms reproduce • Asexual- Involves one individual from a species • Sexual- Involves two individuals from the SAME species

  7. Growth and Development • All living organisms grow and develop • Growth- Increase of size of an organism • Development- The changes an organism goes through in life

  8. Adjusting • Homeostasis-Maintaining stable internal conditions • Exothermic- Rely on outside conditions to maintain homeostasis • Endothermic- Rely on internal functions to maintain homeostasis

  9. Evolution • All SPECIES evolve • Evolution- Gradual change of a species over a long time frame

  10. Are viruses living? ?

  11. How we classify living things • Aristotle- Descriptions • Not very clear, names became too long • CarolusLinnaeus- Relationships • Binomial Nomenclature- 2 part naming system • Homo sapien • Genus species

  12. Levels of classification • Domain • Kingdom • Phylum • Class • Order • Family • Genus • Species

  13. Dichotomous Key • A tool used to Identify organisms in the field

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