Classification Cladogram

The cladogram shows evolutionary relationships among seven different organisms.

Which grouping of organisms shows an ancestor and all of its descendants?

• M-N-O

• N-O-P

• O-P-R

• P-R-S

Tags

NGSS.MS-LS4-3

A paleontologist is comparing the bone collagen sequences of four different prehistoric animals to understand their evolutionary relationships. The sequence of the most ancient common ancestor is known to be G A T C A G T G A C T.

Which prehistoric animal's bone collagen sequence is least closely related to the common ancestor?

• Animal 1

• Animal 2

• Animal 3

• Animal 4

Answer explanation

Animal 3 is least closely related to the common ancestor because it has the most genetic differences.

Tags

NGSS.MS-LS4-2

A table shows information about several traits displayed by groups of plants. According to the table, which two species are most closely related?

• Gingko & Spruce

• Gingko & Wheat

• Wheat & Ferns

• Ferns & Liverworts

Tags

NGSS.MS-LS4-4

Some orders of land and marine mammals are closely related. Molecular data recently collected from dolphins, camels, deer, and hippopotamuses have shown that hippopotamuses are the closest living relatives of dolphins.

Which cladogram models this evolutionary relationship?

• 
• 
• 
• 

Tags

NGSS.MS-LS4-2

Scientists classify organisms based on their _____.

• Population

• Characteristics

• Age

• Likes and Dislikes

Tags

NGSS.MS-LS4-2

On this Cladogram, which animals have fur?

• Mouse, Chimp

• Pigeon, Mouse, Chimp

• Lizard, Pigeon, Mouse, Chimp

• Chimp

Which Level of Classification is missing from the YELLOW section?

• Kingdom

• Phylum

• Order

• Family

What Level of Classification is missing from the RED section?

• Kingdom

• Order

• Genus

• Species

Which of the following best represents a cladogram?

• A diagram showing evolutionary relationships among species

• A chart showing the population growth of a species

• A table listing the physical characteristics of organisms

• A graph showing the temperature changes over time

Tags

NGSS.MS-LS4-2

In a cladogram, what does a node represent?

• A common ancestor

• A species extinction

• A mutation event

• A geographical location