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Biology 1 Chapter 1: Biology and You Section 1 notes Themes of Biology (pages 6-9) 1. Define Biology. 2. All __________________________ organisms share certain general properties that separate them from nonliving things. Properties of Life Metabolism Responsiveness Growth and development 3. Define Cellular organization - 4. Define Reproduction - all living things are able to reproduce 5. Define Metabolism 6. Define Homeostasis - 7. Define Heredity - 8. Define Responsiveness - 9. Define Growth and development - all living things grow and develop 10. Describe the Seven Themes of Biology. Cellular Structure and Function. _________ are highly organized, tiny structures with thin coverings called membranes. All living things are made of __________ or more cells. A cell is the smallest unit capable of all ___________________ functions. Define Reproduction Define Metabolism Homeostasis is the maintenance of a ________________________________ conditions in spite of changes in the external environment. An organism unable to balance its internal conditions with its environmental conditions could become ill and die. Heredity is the passing of traits from parent to offspring. The basic unit of heredity is called a __________. Genes are coded in a molecule called deoxyribonucleic acid (DNA). Genes determine an organism’s traits. A change in the DNA of a gene is called a ___________________________________. Most mutations are harmful, but some mutations can help an organism survive. Evolution is defined as _______________ in the inherited characteristics of species over generations. A ___________________ is a group of genetically similar organisms that can produce fertile offspring. Natural selection is the process in which organisms with favorable traits are more likely to survive and reproduce. Interdependence describes the organisms in a biological community live and interact with other organisms. __________________________ is the branch of biology that studies the _________________________________ of organisms with one another and with the nonliving part of their environment. Organisms are _______________________ on each other and on their environment.
