wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Dichotomous Key Review

Total questions: 20

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

Scientists classify different organisms into taxonomies by:

a)

Behaviors

b)

Physiological adaptations

c)

Physical traits

d)

Density

2.

Which organism has feathers but does not swim?

a)

Duck

b)

Hen

c)

Lizard

d)

Snake

3.

What is the first part of a scientific name called?

a)

Taxonomy

b)

Genus

c)

Species

d)

Adaptation

4.

What is the genus: Castor canadensis?

a)

Castor canadensis

b)

Castor

c)

canadensis

5.

What is the species: Castor canadensis?

a)

Castor canadensis

b)

Castor

c)

canadensis

6.

Which organism does not have four limbs?

a)

Shark

b)

Salamander

c)

Tiger

d)

Gorilla

7.

Which organism does not have feathers but does have legs?

a)

Duck

b)

Hen

c)

Lizard

d)

Snake

8.

What are the two parts of the scientific name?

a)

Genus and structural

b)

Structural and physiological

c)

Genus and species

d)

Species and physiological

9.

This classification scheme indicates that the house cat is most closely related to the

a)

dolphin

b)

songbird

c)

lynx

d)

wolf

10.

Identify the organism's correct taxonomy

a)

Class Insecta

b)

Order Scorpiones

c)

Order Araneae

d)

Order Amblypygi

11.

Which type of organism has fur?

a)

Mammal

b)

Bird

c)

Reptile

d)

Amphibian

12.

Which type of organism has no fur but has feathers?

a)

Mammals

b)

Birds

c)

Reptiles

d)

Amphibians

13.

What form of matter is a pure substance?

a)

Element

b)

Solution

c)

Colloid

d)

Suspension

14.

Which type of substance is not a pure substance?

a)

Element

b)

Compound

c)

Mixture

15.

Which type of substance is a homogeneous mixture?

a)

Compound

b)

Solution

c)

Colloid

d)

Suspenseion

16.

Using the scientific name, Pisum sativum, what is the genus?

a)

Pisum sativum

b)

Pisum

c)

sativum

17.

Using the scientific name, Pisum sativum, what is the species?

a)

Pisum sativum

b)

Pisum

c)

sativum

18.

Identify bird W?

a)

Certhidea

b)

Geospiza

c)

Camarhynchus

d)

Platyspiza

19.

Identify bird Y?

a)

Certhidea

b)

Geospiza

c)

Camarhynchus

d)

Platyspiza

20.

Identify the fish

a)

Sebastes serriceps

b)

Sebastes nebulosus

c)

Naucrates ductor

d)

Seriola lalandi