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What are some Characteristics of Living Things?Which of these Characteristics do the following objects have?

Answer the following Questions

Ch 1: What is Biology?

Section1.1 - What is Biology?

Section 1.1

What is Biology?What is an Organism?The 5 Characteristics of Living Things.

Inside This Section...

Biology is The Study of Life“Bios” - Life“Logos” - Study

What is Biology?

Section 1.1

The interactions of LifeThe interactions with the EnvironmentThey study problems and propose solutions (i.e. medical treatment, disease prevention etc)

What do Biologists Study?

Section 1.1

All Living Things are OrganismsWhat is an Organism?

Section 1.1

OrganizationReproductionGrowth and DevelopmentAbility to Adjust to EnvironmentLiving Things Adapt and Evolve

Characteristics of Living Things

Section 1.1

Am I an Organism?

Section 1.1

All living things are composed of One or More cellsEach cell contains DNAAll parts function together in an orderly living system

Organization

Section 1.1

The production of OffspringSame Species

They can InterbreedThey produce fertile offspring

What is Reproduction?

Section 1.1

Growth: Gradual increase in size over time.

Results in more living material and forms new structures

Development: All the changes that take place during the life of an organism

Growth and Development

Section 1.1

Living Things are able to Adjust to their environment

Environment: The surroundings of the organism - e.g. air, weather, temperature, other organisms and many other factors

Adjusting to the Environment

Section 1.1

Stimulus: Any condition that requires a responseResponse: Reaction to a stimulusHomeostasis: Maintaining conditions suitable for survival (takes energy)

Adjusting to the Environment

Section 1.1

Adaptation: Any structure, behavior or internal process that enables an organism to respond to stimuli better and better survive in an environmentEvolution: gradual accumulation of adaptations over time

Change Over Time

Living Things Adapt and Evolve

Section 1.1

What is Biology?What is an Organism?What are the 5 Characteristics of Living Things?What is a Stimulus?What is Homeostasis?

Recap Quiz:

Section 1.1

Section 1.2

What is Biology?What is an Organism?What are the 5 Characteristics of Living Things?

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Ch 1: What is Biology?

1.2 - The Methods of Biology

Section 1.2

The Scientific MethodControlled Experiments and VariablesScientific ToolsTheories and Laws

Inside This Section...

Section 1.2

The Scientific Method

Section 1.2

Examples ofThe Scientific Method

Experiments that involve 2 Groups:

Control Group - Group that represent the standard conditionsExperimental Group - The test Group that receives Experimental treatment

Controlled Experiments

Section 1.2

Section 1.2

The Frog Egg Experiment

Independent VariableThe condition in an experiment that is changed (Only One)

Dependent VariableThe condition in an experiment that changes because of the change in the independent variable

Variables in Experimental Group

Section 1.2

Section 1.2

The Frog Egg Experiment

Independent Variable: UV Light

Section 1.2

The Frog Egg Experiment

Dependent Variable: Size of Eggs

BeakersTest tubesHot PlatesPetri dishesGraduated cylindersDissecting InstrumentsMicroscopes

Scientific Tools

Section 1.2

Theory: A hypothesis that has been supported over a long period of timeLaw: Fact of nature that is generally known to be true

e.g. The Law of Gravity

Theories and Laws

Section 1.2

Ch 1: What is Biology?

1.3 - The Nature of Biology

Section 1.3

2 Kinds of ResearchScience and SocietyPure Science vs. Applied ScienceTechnology

Inside This Section...

Section 1.2

The Scientific MethodControlled Experiments and VariablesScientific ToolsTheories and Laws

Inside This Section...

Ethics: moral principles and values held by humansSociety plays a vital role in determining what is ethical or not ethical when it comes to science

Science and Society

Section 1.3

Quantitativedealing with numerical data (counts/measurements)Uses the International system of measurement (SI)

metergram litersecondCelsius

2 Kinds of Research

Section 1.3

(length)(weight)(volume)(time)(temperature)

Descriptive: Uses written descriptions of what a scientist observes. E.g. Animal behavior

2 Kinds of Research

Section 1.3

Science doesn’t answer all questions

E.g. Luck, Ugly vs. Beautiful, Good vs. evil

Must be able to devise a controlled experiment

The Realm of Science

Section 1.3

Pure Science is mainly for the purpose of getting knowledge

e.g. Studying the human eye/vision

Applied Science has immediate application for daily living

Designing glasses/lenses

Pure Science vs. Applied Science

Section 1.3

What is Technology?The Application of scientific research to society’s needs and problems

Technology

Section 1.3

What are the steps of the Scientific Method?What are the two groups in a controlled experiment?What are the two types of Research?Which is done mainly for the purpose of gaining knowledge? Pure Science or Applied Science

Recap Quiz:

Sections 1.2 and 1.3