{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

BIO 1510-1 - Bio 1510 Basic Life Mechanisms Bio Fall 2008...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Bio – 1510 Basic Life Mechanisms Bio – 1510 Basic Life Mechanisms Fall 2008 Fall 2008        Dr. Rasheeda Zafar Chapter # 1 Introduction Properties of Life, Nature of Science, Hierarchical Organization Darwin and Evolution 1
Background image of page 1

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

View Full Document Right Arrow Icon
Properties of Life Properties of Life Biology is the science of life and study of living things Living organisms: are composed of cells i.e. cellular organization cellular organization are complex and ordered respond to their environment i.e. sensitivity sensitivity can grow and reproduce obtain and use energy i.e. metabolism metabolism maintain internal balance i.e. homeostasis homeostasis allow for evolutionary adaptation 2
Background image of page 2
Hierarchical Organization Cellular level Cellular level Cell Cell is the basic unit of life Atoms Molecules Organelles Cells 3
Background image of page 3

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

View Full Document Right Arrow Icon
Hierarchical Organization Hierarchical Organization Organismal Level Organismal Level Tissues Organs Organ systems Organism 4
Background image of page 4
Hierarchical Organization Hierarchical Organization Population Level Population Species Community Ecosystem Biosphere 5
Background image of page 5

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

View Full Document Right Arrow Icon
Hierarchical Organization Hierarchical Organization Each level of organization builds on the level below it but often demonstrates new and distinct features and novel properties emerge. Emergent properties Emergent properties: new properties present at one level that are not seen in the previous level 6
Background image of page 6
Nature of Science Much of biology is concerned with arriving at an increasingly accurate accurate description of nature. Science aims to understand the natural world through observation and reasoning. Science begins with observations, therefore, much of science is purely descriptive. Science uses both deductive deductive and inductive inductive reasoning. reasoning. 7
Background image of page 7

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

View Full Document Right Arrow Icon
Nature of Science Nature of Science Deductive reasoning Deductive reasoning uses general principles to predict specific results (Crime solving) Inductive reasoning Inductive reasoning uses specific observations to develop general scientific principles (Homeobox genes in Drosophila) 8
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}