A. The sequence of the appearance of different groups B. The common ancestry of various groups C. The geographical regions where groups lived D. The future.

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A. The sequence of the appearance of different groups B. The common ancestry of various groups C. The geographical regions where groups lived D. The future appearance of the groups 1. One of the ways that scientists can trace the ancestry of animals is through the fossil record. What can scientists NOT tell from their studies of the fossil record? Bellwork: Write the whole question and just your answer. order

Science Fact of the Day: The catfish father keeps the eggs in his mouth until they are ready to be hatched.

Taxonomy Essential Question: Why is taxonomy important and helpful to scientists?

Classification is the grouping of objects or information based on similarities.Classification

Name 5 things that people classify on a regular basis?

For 1 of your 5 things, explain how it’s classified?

Taxonomy is the science of grouping Taxonomy and naming organisms. In other words, taxonomy is the process of classifying and naming biological (living) organisms. In Biology: BONUS: How to preserve a specimen

Let’s look at some animals

Devil Cat

Ghost Cat

Mountain Lion

Screaming Cat

Puma

Florida Panther

Cougar

There are at least 50 common names for the animal shown on the previous 7 slides. Common names vary according to region. How could we fix this problem?

19 Confusion in Using Different Languages for Names copyright cmassengale

20 Latin Names are Understood by all Taxonomists copyright cmassengale

Benefits of Classifying Accurately & uniformly names organisms Prevents misnomers such as starfish & jellyfish that aren't really fish Uses same language (Latin or some Greek) for all names Sea”horse”??

Carolus Linnaeus 1707 – th century taxonomist Classified organisms by their structure Developed naming system still used today

Carolus Linnaeus Called the “Father of Taxonomy” Developed the modern system of naming known as binomial nomenclature Two-word name (Genus & species)

Taxonomists give a unique scientific name to each species they know about whether it’s alive today or extinct. The scientific name comes from one of two “dead” languages – Latin or ancient Greek.

Rules for Naming Organisms The International Code for Binomial Nomenclature contains the rules for naming organisms All names must be approved by International Naming Congresses (International Zoological Congress) This prevents duplicated names

The genus name is written first (always Capitalized). The species name is written second (never capitalized). Both words are italicized if typed or underlined if hand written. Example: Felis concolor or F. concolor Which is the genus? The species? Binomial Nomenclature a two name system for writing scientific names. Turdus migratorius

30 Binomial Nomenclature Which TWO are more closely related? copyright cmassengale