wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Dichotomous Key

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

What is the name of bird Z?

a)

Certhidea

b)

Geospiza

c)

Camarhynchus

d)

Platyspiza

2.

Leaf S (3RD LEAF)

a)

Eastern white pine

b)

balsam poplar

c)

sweet gum

d)

ginko

3.

Identify leaf F

a)

Cydonia

b)

Magnolia

c)

Aesculus

d)

Fraxinus

e)

Ilex

4.

According to key above, which animal has wings covered by an exoskeleton and a round body?

a)

Ladybug

b)

Grasshopper

c)

Dragonfly

d)

Housefly

5.

From the table, which two animals are MOST CLOSELY related

a)

House Cate and Red Fox

b)

Red Fox and Dog

c)

Dog and Wolf

d)

Wolf and Gopher

6.

What is a Dichotomous Key?

4 lines
7.

What is monster ?

a)

Alienus quadlegicus

b)

Alienus haircus

c)

Alienus Tritoothicus

d)

Alienus Blobicus

8.

What is monster # 3 ?

a)

Alienus Fuzzicus

b)

Alienus Stripicus

c)

Alienus Tritoothicus

d)

Alienus Blobicus

9.

What is monster # 4 ?

a)

Alienus Fuzzicus

b)

Alienus Stripicus

c)

Alienus Quadlegicus

d)

Alienus Blobicus

10.

What is monster # 2 ?

a)

Alienus Fuzzicus

b)

Alienus Stripicus

c)

Alienus Tritoothicus

d)

Alienus Blobicus

11.

What is monster # 5 ?

a)

Alienus Fuzzicus

b)

Alienus Tritoothicus

c)

Alienus Hairicus

d)

Alienus Blobicus

12.

What is monster # 6 ?

a)

Alienus Stripicus

b)

Alienus Tritoothicus

c)

Alienus Hairicus

d)

Alienus Quadlegicus

13.

What is a Dichotomous Key?

a)

A tool used to identify organisms based on a series of choices between alternative characteristics

b)

A type of graph used to display data

c)

A method for classifying chemical reactions

d)

A technique for measuring the speed of light

14.

Which of the following best describes the primary use of a Dichotomous Key in biology?

a)

To measure the growth rate of plants

b)

To identify unknown species by answering a series of questions

c)

To calculate the energy output of a chemical reaction

d)

To determine the age of fossils

15.

In a Dichotomous Key, what does each step typically involve?

a)

Choosing between two contrasting characteristics

b)

Measuring the temperature of a solution

c)

Calculating the density of a substance

d)

Recording the time taken for a reaction to occur