Biology Is life Chapter 1-2 Handout

Biology Is life Chapter 1-2 Handout - 1 Fig. 1.2 Biology:...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Fig. 1.2 Biology: the study of life What will I learn in this course? • The chemistry of biology – how atoms & molecules are arranged to form cells • All about cells – what they’re made of, how they convert energy, how they replicate themselves • Genetics – how traits are passed on, how DNA directs cellular processes, regulation of genes • Evolution – how natural selection works, how populations evolve, how new species arise Biology: the study of life “ Nothing in biology makes sense except in the light of evolution ” T. Dobzhansky 2 Levels of organization Fig. 1.3 Biosphere Ecosystems Communities Organisms Organs/organ systems Tissues Organelles Molecules What is science? 1)Science is guided by natural laws (1 st & 2 nd laws of thermodynamics) 2)Science provides explanations by reference to natural laws (not the supernatural) 3)Science is testable against the observable world (Experiments require direct or indirect observations) 4)Scientific conclusions are tentative (Conclusions are modified as new observations are made) 5)Science is falsifiable 3 Evolution The organizing principle of biology 1)The living world is not constant, but is...
View Full Document

This note was uploaded on 02/21/2008 for the course LIFE 102 taught by Professor Fields during the Fall '07 term at Colorado State.

Page1 / 15

Biology Is life Chapter 1-2 Handout - 1 Fig. 1.2 Biology:...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online