Taxonomy_Crash Course

Complete the sentence:

_ is the science of classifying living things.

An organism that two or more organisms have descended from is called

• A clade

• A mammal

• A common ancestor

• A common descendant

The phylogenetic tree or the Tree of life is a structured system used to

• classify all the organisms on the Earth

• organize the taxonomic system

• arrange animals into groups

• organize both living and non-living things into groups

The method used by _ _ to classify living things was based on morphology or physical form or structure

Analogous or homoplasic traits are structures that appear similar but actually come from completely independt origins.

• True

• False

Tick the examples that represent ANALOGOUS STRUCTURES

• Stingers in wasps and bees

• Fins in penguins and fish

• Humerus bone in a cat, a human and a dolphin

• Wings in birds and butterflies

Choose the correct description for HOMOLOGOUS TRAITS

• Traits that are not used to classify living things

• Traits with similar use both different structure

• Traits that stem from a different evolutionary ancestor

• Traits that stem from a common evolutionary ancestor

The taxa or groups or organisms used to classify organisms are (in order from the broader to the most limited)

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

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

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

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

The LARGEST classification group (at the top) is:

• Very exclusive

• Very inclusive

• Very small

• Very specific

Tags

NGSS.MS-LS4-1

The smallest classification group consists of:

• Organisms that are very different

• Organisms that do not look the same

• Organisms that are very similar

Tags

NGSS.MS-LS4-2