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What is Biology? - PowerPoint PPT Presentation


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What is Biology?. The study of Living Things. What does this pneumonic phrase represent? “ K ing H enry D ied B y D rinking C hocolate M ilk”. K. H. D. d. c. m. Metric System Know how to convert one type of unit into another. Name the three main (basic) metric units.

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slide3

What does this pneumonic phrase represent?

“King Henry Died By Drinking Chocolate Milk”

slide4

K

H

D

d

c

m

Metric System

Know how to convert one type of unit into another.

slide6

Meter - length

Liter - volume

Gram - mass

Metric Ruler

Graduated cylinder

Triple Beam Balance

slide7

Convert

25.6 cm = __?__ Km

Think:

slide8

25.6 cm = _______ Km

How did we get that?

K H D B D C M

0.000256

0.000256

slide9

What are the steps of the scientific method?

What is important about a hypothesis?

slide11

Normal Sun 1 Hr of Sun 2 Hrs Sun 3 Hrs of Sun

Measuring plant height (growth) after 7 days.

What is the INDEPENDENT VARIABLE?

slide12

I.V. = Amount (Hrs) of Sun given to the plants

What “I” change in the experiment.

slide13

Normal Sun 1 Hr of Sun 2 Hrs Sun 3 Hrs of Sun

Measuring plant height (growth) after 7 days.

What is the DEPENDENT VARIABLE?

slide16

Plant that got

Normal Sun

slide18

Soil

  • Amount of water
  • Type of plant
  • Size of container
slide20

Quantitative Data that is measured and numbers are obtained

Observations

Hint: Quantitative has an “N” for NUMBERS

slide28

Made of at least one cell

Growth and Development

Obtain and Use energy

Homeostasis – Maintaining a stable internal environment

Evolve

Adapt to its environment

Have genetic code (DNA)

Reproduce

slide29

What is Taxonomy?

Who was the “Father of Taxonomy”?

slide30

What is Taxonomy?

System of classifying and naming

living things

Who was the “Father of Taxonomy”?

Linnaeus

slide31

What 2 kingdoms did Linnaeus first recognize?

How many taxons were in his taxonomy system?

Name them from largest to smallest

slide32

What 2 kingdoms did Linnaeus first recognize? Plant & Animal

How many taxons (levels) were in his taxonomy system? 7

Name them from largest to smallest

Kingdom, Phylum, Class, Order, Family, Genus, Species

(King Phillip Came Over For Green Soup)

slide33

What system did Linnaeus create to help name species?

  • What 2 parts are in this naming system?
  • What language is used in names?
slide34

What system did Linnaeus create to help name species?

  • Binomial Nomenclature
  • What 2 parts are in this naming system?
  • Genusspecies
  • (scientific name)
  • What language is used in names? Latin
slide35

Do these animals belong to the same species or genus?

  • Ursusarctos
  • Ursuscollaris
  • Ursusberingianus
slide36

These animals belong to the same genus Ursus

  • Ursusarctos
  • Ursuscollaris
  • Ursusberingianus
slide38

DOMAIN

was added to make 8 taxons in the MODERN system of classification

slide39

How many DOMAINS ? Name them!

How many KINGDOMS? Name them!

slide40

How many DOMAINS ?

3Bacteria, Archae,Eukarya

How many KINGDOMS?

6 Eubacteria

Archaebacteria

Protista

Fungi

Plantae

Animalia

slide42

Why do we classify living things?

Give 4 reasons

  • Universal System
  • (Common names are different in various locations around the world making it difficult to talk about an animal. Ex: puma, mountain lion, cougar)
  • Organizes living things
  • Easier to study living things
  • Looks at relationships (interactions)
slide43

Traditional classification is based on ____________ characteristics.

Evolutionary classification is based on ____________ characteristics.

Molecular (clock) classification is based on ____________.

slide44

Traditional classification is based on shared physical characteristics.

Evolutionary classification is based on evolutionary(ancestors) characteristics.

Molecular (clock) classification is based on DNA andtime.

slide45

EVOLUTIONARYClassificationuses derived characteristics to show evolutionary descent from a single ancestor. It uses what type of tree?

slide46

EVOLUTIONARYClassificationuses derived characteristics to show evolutionary descent from a single ancestor. It uses a cladogram!

Hint:

Looks like a hand and sounds like “clap”

slide48

What is a dichotomous key?

Lists paired choices (1.a or 1.b etc.) to lead you to the organism’s name.

Be able to use one!!!!

slide49

Eubacteria and Archaebacteria belong to what group of organisms:

Prokaryotes or Eukaryotes?

What is the difference between Prokaryotes and Eukaryotes?

slide50

Eubacteria and Archaebacteria belong to what group of organisms:

Prokaryotes

Prokaryotes: NoNucleus or membrane bound organelles

Eukaryotes: Have a nucleus and organelles

slide51

What are autotrophs and what kingdoms do they belong?

What are heterotrophs and what kingdoms do they belong?

slide52

What are autotrophs?

They make their own food (energy) mostly by photosynthesis (Plants, Some Protista, Some Archae, Some Bacteria)

What are heterotrophs?

They must consume their food for energy

(Animals, Fungi, Some Archae, Some Bacteria, Some Protista)

slide54

What kingdom was first considered to be in the Plant Kingdom and then moved to a different one?

  • Fungi
  • Eukaryote
  • Heterotroph
  • Multicellular
  • Cell wall of chitin
slide58

What is metabolism?

Process of gaining and using energy

slide59

Know the key points of the Classification of Living Things Chart that you were given in class and be able to use one to identify information from it.

slide62

Now…

Let’s

Review

Your

Scientific Method

&

Classification

Test

Answers