Life10%20characters%20post%20Winter%202009

Life10%20characters%20post%20Winter%202009 - Release of...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Life ? WHAT IS LIFE ?? X Very Difficult to Define : X Scientists Mostly Agree : “Life” Shows Characteristics : X Bio = Life : Ology = Study Of X Biology = Study of Life X Life Exhibits 10 Characteristics : USUALLY present at the same time ! X Characteristic # 1 : X Energy : X The Capacity to do Work : X Characteristic # 2 : X D N A : X Deoxyribonucleic Acid : X DNA Makes up your Genetic Material : X All “life” has DNA : X Characteristic # 3 : X Individual Functioning Cells : X Single Cell or Multicellular Organism : X Multicellular Organisms Have Specific Order of Organization : X Characteristic # 4 : X Metabolism : X The Cells Overall Ability to Maintain Itself (remain alive) : Multicellular levels of organization X Each level is made up of at least TWO components of the Previous Level ! * = Apply to Single Cell “Organisms” Also. 5 X Characteristic # 5 : X X Photosynthesis : Specific Process which Transfers Energy to a Stored Form. X Respiration :
Background image of page 1

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

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Release of Energy From a Stored Form (Breakdown of Sugars). X Energy used to form ATP ! X ATP = Useable (Molecular) Form of Energy for Cells ! Notes : 6 X Characteristic # 6 : X Homeostasis : X The Organisms Ability to Maintain a Constant Internal Environment : Examples : Characteristics 7 & 8 X Characteristic # 7 : X Reproduction : X The Organisms Ability to Perpetuate its own kind : X Or Simply to Leave Offspring ! X Mutation & Death : X Characteristic # 8 : X Mutation : Any Molecular Change in the DNA. X Death : As Far as Scientists Know, ALL Living Things Eventually Cease to Live. X Where did your DNA come from ? 9 X Characteristic # 9 : X Interdependencies : X A Link Among All Organisms : X Organisms Depend on Materials / Energy from Other Organisms : Notes : 10 X Characteristic # 10 : X Adaptability : X Any Trait, Response or Action That Sustains Life in the Face of Changes in Environmental Conditions :...
View Full Document

This note was uploaded on 11/17/2009 for the course BIO 101 taught by Professor Lanno during the Spring '08 term at Ohio State.

Page1 / 2

Life10%20characters%20post%20Winter%202009 - Release of...

This preview shows document pages 1 - 2. Sign up to view the full document.

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