Exploring Our Origins

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Organigram

după Farid Asmar

INTRODUCTION TO BIOLOGY

după Joyce Ositelu

Introduction

după Mohammed H.

ISAP

după Neuhaus Annastasia

Exploring Our Origins

Origins of Life

Carbon, Hydrogen, and Helium

DNA and RNA

Amino acids which are building units of proteins

Earth

Unicelleluar organisms were formed which evolved into multicellilular organisms then humans

Water was formed from volcanic sprays and comets from space

Elemnts of life were delivered to earth from outer space

Life was impssible on early earth

Explosion and the atmosphere filled with poisnous gases

Formed with the solar system 4.5 billion years ago

Solar System

Found inside milky way

Formed of the sun and the 8 planets+pluto

Formed 4.5 billion years ago

Stars (our parents)

On dying they form atoms that become parts of other nebula that form other stars forming galaxies.

Great explosions cause light and heat called supernova

When dying they explode forming complicated elements of life

Nuclear reactions happemimg inside forming light and heat energy

Have a definite lifecycle

Formed of hydrogen and helium

Evolution

Survival of the fittest

Mutation

Variation

Natural Selection

DNA

Heredity

Encoding for proteins and traits

Responsible for our traits

Chromosomes

Genes

The Big Bang

Creation of milky way

Agrregation of stars forming galaxies

Birth of stars

Birth of the universe