Keys, Trees & Cladograms

The kingdoms​ (a)   , ​ (b)   , ​ (c)   & ​ ​ (d)   make up the domain Eukarya.

• Protista
• Fungi
• Plantae
• Animalia
• Eubacteria
• Archaeabacteria

Tags

NGSS.MS-LS1-1

NGSS.MS-LS4-2

An example of an unicellular organism would be:

• monkey
• bacteria
• spider
• human

Tags

NGSS.MS-LS1-1

The broadest or most general level of classification of living organisms is 
(a)  

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

The most specific level of classification of living organisms is  ​ (a)  

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

A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?

• Juniper

• Pine

• Spruce

• Fir

Answer explanation

Always start with #1 when using a dichotomous key.

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

• Coleoptera

• Heteroptera

• Diptera

• Lepidoptera

Answer explanation

Always start with #1 when using a dichotomous key.

Which organisms pictured on the cladogram have hair?

• prosimians only
• prosimians and humans
• humans only
• prosimians and birds

List the correct order of classification.

​ ​ (a)   , ​ (b)   , Phylum , ​ (c)   , ​ (d)   , Family, ​ (e)   , Species

• Domain
• Kingdom
• Class
• Order
• Genus

Answer explanation

D ear --- Domain

K ing---- Kingdom

P hilip--- Phylum

C ame-- Class

O ver --- Order

F or ----- Family

G reat -- Genus

S oup --- Species

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