What is Biology?

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# What is Biology? - PowerPoint PPT Presentation

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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Presentation Transcript

What does this pneumonic phrase represent?

“King Henry Died By Drinking Chocolate Milk”

K

H

D

d

c

m

Metric System

Know how to convert one type of unit into another.

Meter - length

Liter - volume

Gram - mass

Metric Ruler

Triple Beam Balance

Convert

25.6 cm = __?__ Km

Think:

25.6 cm = _______ Km

How did we get that?

K H D B D C M

0.000256

0.000256

What are the steps of the scientific method?

What is important about a hypothesis?

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?

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

What “I” change in the experiment.

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?

Plant that got

Normal Sun

Soil

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

Quantitative Data that is measured and numbers are obtained

Observations

Hint: Quantitative has an “N” for NUMBERS

Made of at least one cell

Growth and Development

Obtain and Use energy

Homeostasis – Maintaining a stable internal environment

Evolve

Have genetic code (DNA)

Reproduce

What is Taxonomy?

Who was the “Father of Taxonomy”?

What is Taxonomy?

System of classifying and naming

living things

Who was the “Father of Taxonomy”?

Linnaeus

What 2 kingdoms did Linnaeus first recognize?

How many taxons were in his taxonomy system?

Name them from largest to smallest

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)

What system did Linnaeus create to help name species?

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

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

Do these animals belong to the same species or genus?

• Ursusarctos
• Ursuscollaris
• Ursusberingianus

These animals belong to the same genus Ursus

• Ursusarctos
• Ursuscollaris
• Ursusberingianus

DOMAIN

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

How many DOMAINS ? Name them!

How many KINGDOMS? Name them!

How many DOMAINS ?

3Bacteria, Archae,Eukarya

How many KINGDOMS?

6 Eubacteria

Archaebacteria

Protista

Fungi

Plantae

Animalia

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)

Traditional classification is based on ____________ characteristics.

Evolutionary classification is based on ____________ characteristics.

Molecular (clock) classification is based on ____________.

Traditional classification is based on shared physical characteristics.

Evolutionary classification is based on evolutionary(ancestors) characteristics.

Molecular (clock) classification is based on DNA andtime.

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

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

Hint:

Looks like a hand and sounds like “clap”

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!!!!

Prokaryotes or Eukaryotes?

What is the difference between Prokaryotes and Eukaryotes?

Prokaryotes

Prokaryotes: NoNucleus or membrane bound organelles

Eukaryotes: Have a nucleus and organelles

What are autotrophs and what kingdoms do they belong?

What are heterotrophs and what kingdoms do they belong?

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)

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

What is metabolism?

Process of gaining and using energy

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.

Now…

Let’s

Review

Your

Scientific Method

&

Classification

Test