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WELCOME!

Chapter 1 Lesson 1

Copy vocab in

your notebook.

Mrs. Yoder

7th Grade Science

September 5, 2017

Introduction

To

Life

Biology is the study of life.

This study of life ranges

from the very simple one-

celled organisms…..

…..to the very complex

multicellular organisms.

The Characteristics of Life

All living things….

…no matter how different from each

other they may be….

….share a set of

common characteristics.

What characteristics do all living

things share? Pg. 9

….are made up of units called cells.

….reproduce.

….grow and develop.

….obtain and use materials and energy.

….respond to their environment.

….maintain a stable internal environment in

a process called homeostasis.

Homeostasis is the balance between cells

and their environment.

WELCOME!

Chapter 1 Lesson 2

Copy vocab in

your notebook.

Mrs. Yoder

7th Grade Science

September 6, 2017

What evidence is used to classify living

things into groups? Pg. 20

– Cell type

– Habitat

– How the organism obtains food and energy

– Common ancestry

– Molecules within an organism (DNA)

– BrainPop

Important People in Classification

Aristotle Robert Whitaker Charles Linnaeus

Why does every species have a specific

name? Pg. 22

– Scientific names allow people all over the world to

identify an organism because each scientific name is

unique and applies to only one type of organism. By

using scientific names, all scientists can know they are

talking about the same plant/animal.

– Video

What group has the most animals?

Why?

Mrs. Yoder

7th Grade Science

September 7, 2017

Classification Tools

– Dichotomous Key (video)

– Cladogram (video)

Cladogram examples

WELCOME!

Read silently.

Mrs. Yoder

7th Grade Science

September 8, 2017

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