What is life?What is life?

Complete the categoriesComplete the categories

LivingLiving Non-LivingNon-Living

Once livingOnce living

What is life?What is life?

Characteristics of living thingsCharacteristics of living things

Cell organizationCell organizationSimilar chemicalsSimilar chemicals

Growth and developmentGrowth and developmentEnergy UseEnergy UseReproduceReproduce

Respond to surroundingsRespond to surroundings

Characteristics of Living ThingsCharacteristics of Living Things

Cell organization-Cell organization- Living things are single celled or many celled. Living things are single celled or many celled.

Similar chemicals-Similar chemicals- Living things contain some arrangement of carbohydrates, Living things contain some arrangement of carbohydrates, proteins, lipids, nucleic acids and water.proteins, lipids, nucleic acids and water.

Growth and development- Growth and development- growth means getting bigger over time. growth means getting bigger over time. Development means to mature and change to become more complexDevelopment means to mature and change to become more complex

Energy Use- Energy Use- Autotrophs can use sun’s energy to make food. Heterotrophs Autotrophs can use sun’s energy to make food. Heterotrophs need to digest food to create energyneed to digest food to create energy

Reproduce- Reproduce- cells can reproduce within body systems as well as within a cells can reproduce within body systems as well as within a population.population.

Respond to surroundings- Respond to surroundings- Stimulus and Response. Change in light and sound Stimulus and Response. Change in light and sound that can cause a change in behavior.that can cause a change in behavior.

What happens when….What happens when….

StimulusStimulusResponseResponse

LightLight

Sound Sound

TemperatureTemperature

Spontaneous GenerationSpontaneous GenerationThe mistaken idea that living things arise from nonliving The mistaken idea that living things arise from nonliving sourcessources

Describe Francesco Redi’s ExperimentDescribe Francesco Redi’s Experiment

Spontaneous GenerationSpontaneous GenerationThe mistaken idea that living things arise from The mistaken idea that living things arise from

nonliving sourcesnonliving sources

Describe Pasteur’s ExperimentDescribe Pasteur’s Experiment

What are the needs of living What are the needs of living things?things?

WaterWater

SpaceSpace

FoodFood

Stable Internal ConditionsStable Internal Conditions

What are the needs of What are the needs of living things?living things?

Water- Plants (autotrophs) need water in order to grow and Water- Plants (autotrophs) need water in order to grow and become food for animals (heterotrophs). Water covers become food for animals (heterotrophs). Water covers approximately 2/3 of the earth. Most living cells need to exist in a approximately 2/3 of the earth. Most living cells need to exist in a watery environmentwatery environment

Space- living things need space in which to live, find shelter and Space- living things need space in which to live, find shelter and find a mate. This becomes necessary to support a population of find a mate. This becomes necessary to support a population of living things.living things.

Food- living things need to make their own food (heterotrophs) or Food- living things need to make their own food (heterotrophs) or find food (heterotrophs) so that they can derive energy to find food (heterotrophs) so that they can derive energy to support processes of lifesupport processes of life

Stable Internal Conditions- this is maintained inside a healthy Stable Internal Conditions- this is maintained inside a healthy organism. Compare goose bumps to a fever.organism. Compare goose bumps to a fever.

Complete workbook pages 5-7.Complete workbook pages 5-7.

Complete questions page 25 # 1-3.Complete questions page 25 # 1-3.

Describe the difference between Describe the difference between experiments by Redi and Pasteur.experiments by Redi and Pasteur.

ScientistsScientistsText page 28Text page 28

SchleidenSchleiden SchwannSchwann

VirchowVirchow HookeHooke

Cell TheoryCell TheoryA widely accepted explanation of the A widely accepted explanation of the relationship between cellsrelationship between cells

Cell Theory-Cell Theory-A widely accepted explanation of A widely accepted explanation of the relationship between cellsthe relationship between cells

--- All living things are made of cells--- All living things are made of cells

--- Cells are the basic unit of structure --- Cells are the basic unit of structure

and function in living thingsand function in living things

--- All cells are produced from other cells.--- All cells are produced from other cells.

Student WorkStudent WorkWith your group, complete the followingWith your group, complete the following

Vocabulary list from video.Vocabulary list from video.

Text page 33 # 1-4.Text page 33 # 1-4.

Text page 42 # 1-4Text page 42 # 1-4

Study cell parts and diagram pages 38-Study cell parts and diagram pages 38-3939