Unit 2: Taxonomy, Cladograms, and Dichotomous Key Review

Scientists classify different organisms into taxonomies by:

• Behaviors

• Physiological adaptations

• Physical traits

• Density

Tags

NGSS.MS-LS4-2

A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?

• Coleoptera
• Heteroptera
• Diptera
• Lepidoptera

What step do we always start with when using dichotomous keys?

• 1
• 2
• 3
• 4

When using a dichotomous key to identify organisms, what do we look at?

• physical features
• weather patterns
• environment
• diet

Tags

NGSS.MS-LS4-2

According to this cladogram, primates are most closely related to....

• Amphibians

• Rodents & rabbits

• Crocodiles

• Birds

Tags

NGSS.MS-LS4-2

On the cladogram, which organism is the closest relative of the parrot?

• Frog

• Hare

• Caiman

• Parrot

Tags

NGSS.MS-LS4-2

All the animals to the right of the salamander would have the common characteristic of...

• Fur

• Claws or nails

• Lungs

• Jaws

Tags

NGSS.MS-LS4-2

Which letter represents the most recent common ancestor of sponges and mushrooms?

• A

• B

• C

• D

• E

Tags

NGSS.MS-LS4-2

The system of classification for organisms is called -

• taxonomy
• classification
• terraformy
• cladogram

Where is the T.rex and frog's common ancestor?

• Point A
• Point B
• Point C
• Point D

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2