* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Bell Work: What characteristics do all living things share? Monday
Natural environment wikipedia , lookup
Introduction to evolution wikipedia , lookup
DNA-encoded chemical library wikipedia , lookup
Vectors in gene therapy wikipedia , lookup
Organisms at high altitude wikipedia , lookup
Cell theory wikipedia , lookup
Abiogenesis wikipedia , lookup
Organ-on-a-chip wikipedia , lookup
Human genetic resistance to malaria wikipedia , lookup
Dictyostelium discoideum wikipedia , lookup
Precambrian body plans wikipedia , lookup
Biochemistry wikipedia , lookup
Cell (biology) wikipedia , lookup
History of biology wikipedia , lookup
Evolution of metal ions in biological systems wikipedia , lookup
List of types of proteins wikipedia , lookup
State switching wikipedia , lookup
Microbial cooperation wikipedia , lookup
History of molecular biology wikipedia , lookup
Developmental biology wikipedia , lookup
Sexual reproduction wikipedia , lookup
section1.1.notebook August 26, 2013 Monday, August 26 Bell Work: What characteristics do all living things share? 1 section1.1.notebook August 26, 2013 Biology Unicellular Multicellular cells energy Chemical some use chemicals from the environment plants, algae, some bacteria use sunlight, stored as chemical energy. Animals eat other organsims. metabolism 2 section1.1.notebook August 26, 2013 stimuli Development DNA sexual reproduction mature grow Reproduction asexual DNA RNA 3 section1.1.notebook August 26, 2013 Biosphere -terrestrial Biodiversity -aquatic 4 section1.1.notebook August 26, 2013 10,000 50,000 5 section1.1.notebook August 26, 2013 Unifying Themes of Biology Systems- Exist on all scales - molecules inside cells that work to produce and use energy -entire biosphere -ecosystem -Can be two organisms interacting 6 section1.1.notebook August 26, 2013 Structure and Function Structure determines function! Example: You have sharper front teeth that are for tearing you food and flatter back teeth that are for grinding your food. Brain cells process information Red Blood Cells transport oxygen 7 section1.1.notebook August 26, 2013 Homeostasis -Maintenance of constant internal conditions -Cells function best under a limited range of conditions -Ex. Temperature, blood sugar, acidity, etc. -Breakdowns in homeostasis can be deadly -Works through negative feedback -you get cold, muscles cause you to shiver, blood vessels constrict -also behavioral- reptiles moves into sun when cold. Page 9 (B) 8 section1.1.notebook August 26, 2013 Evolution -Changes in a species overtime -a long term response to the environment -Adaptations- trait or behavior that allows species to survive and reproduce -Accounts for unity and diversity of organisms -different environments need different adaptations Humans and Bacteria- both have DNA, RNA, similar source of energy, similar cell structure 9 section1.1.notebook August 26, 2013 10