Classification

What can a classification system show about an organism?

• absolute age of an organism
• what an organism is made of
• its relationship to other organisms
• which organisms are the strongest

Tags

NGSS.MS-LS4-2

Panthera leo, the scientific name for a lion, is a member of which species?

• leo
• Animalia
• Panthera
• mammalia

Which taxonomic category is higher than the others?

• class
• genus
• order
• phylum

An organism identified with binomial nomenclature includes which two taxa?

• class and order
• family and genus
• genus and species
• kingdom and phylum

Canis lupus, the scientific name for a wolf, is in which genus?

• Canis
• lupus
• Animalia
• mammalia

How would a dichotomous key be used?

• by inserting it into a chamber at a 45 degree angle
• by observing specimens and then answering questions about them
• by comparing the colors on a strip to the colors obtained during testing
• by analyzing a gel agar and recording the distance each fragment had traveled

Examine the phylogenetic tree.
Which two organisms are most closely related?

• wolves and sharks
• starfish and sharks
• protists and sharks
• gorillas and sharks

Tags

NGSS.MS-LS4-2

Examine the dichotomous key.
What features does a Platyspiza have?

• stout and heavy beak with a curved lower beak
• long, slender beak with a flat and straight lower beak
• flat and straight beak with a bend in the lower edge of the upper beak
• long and slender beak with the lower edge of the upper beak being flat

Tags

NGSS.MS-LS4-2

What goal does Taxonomy accomplish?

• explains the differences between living organisms
• classifies living organisms into groups
• predicts the types of undiscovered organisms
• establishes relationships of organisms with their habitat

Which of the following shows the taxa in the correct order?

• kingdom-phylum-order-class-family-genus-species
• kingdom-class-order-family-phylum-genus-species
• kingdom-phylum-class-order-family-genus-species
• kingdom-phylum-family-order-class-genus-species