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Dichotomous key revision

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
2.
Tool used by a taxonomist to identify an unknown organism is a:
a)
dichotomous key
b)
binomial nmenclature
c)
scientific name
d)
binomial key
3.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
4.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
5.

What are the characteristics of a tiger?

a)

Has limbs, doesn't have opposable thumbs

b)

Has limbs, can produce milk, doesn't have opposable thumbs

c)

Has limbs, can't produce milk

d)

Has limbs, can produce milk, has opposable thumbs

6.

What are the characteristics of a gorilla?

a)

Has limbs, doesn't have opposable thumbs

b)

Has limbs, can produce milk, has opposable thumbs, can speak

c)

Has limbs, can't produce milk

d)

Has limbs, can produce milk, doesn't have opposable thumbs, cannot speak

7.

What characteristics do a salamander and human share?

a)

Can produce milk

b)

Has limbs

c)

Has opposable thumbs

d)

Has speech

8.

Which two organisms are closely related?

a)

Spider and butterfly

b)

Snail and worm

c)

Worm and spider

d)

Centipede and snail

9.

Which organism has legs, has wings and is active at night?

a)

Spider

b)

Butterfly

c)

Moth

d)

Snail

10.

Which organism has no legs and no shell?

a)

Spider

b)

Snail

c)

Centipede

d)

Worm