Cladograms and Levels of Organization

What is a cladogram?

• A diagram that shows evolutionary relationships among organisms

• A chart that displays the levels of organization in an ecosystem

• A graph that represents the food chain

• A table that lists the characteristics of different species

Tags

NGSS.MS-LS4-2

Which of the following levels of organization is the smallest?

• Organism

• Cell

• Tissue

• Organ

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

In a cladogram, what does a branch point represent?

• A common ancestor

• A mutation

• A new species

• An extinct species

Tags

NGSS.MS-LS4-2

Which level of organization includes all the others?

• Organ system

• Organism

• Population

• Community

Tags

NGSS.MS-LS2-4

What is the primary purpose of a cladogram?

• To show the evolutionary history of species

• To classify organisms based on physical characteristics

• To display the food web of an ecosystem

• To measure the biodiversity of a habitat

Tags

NGSS.MS-LS4-2

Which of the following is NOT a level of biological organization?

• Molecule

• Ecosystem

• Biosphere

• Galaxy

How are organisms grouped in a cladogram?

• By their evolutionary relationships

• By their habitat

• By their diet

• By their size

Tags

NGSS.MS-LS4-2

What is the correct order of levels of organization from simplest to most complex?

• Cell, Tissue, Organ, Organ System, Organism

• Organism, Organ System, Organ, Tissue, Cell

• Tissue, Cell, Organ, Organ System, Organism

• Organ System, Organism, Cell, Tissue, Organ

Tags

NGSS.MS-LS1-3

Which of the following best describes a monophyletic group in a cladogram?

• A group that includes an ancestor and all its descendants

• A group that includes species with similar physical traits

• A group that includes species from different evolutionary paths

• A group that excludes some descendants of a common ancestor

Tags

NGSS.MS-LS4-2

What is the significance of a node in a cladogram?

• It represents a common ancestor

• It indicates a mutation

• It marks the extinction of a species

• It shows a geographical barrier

Tags

NGSS.MS-LS4-2