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dichotomous key quiz

Total questions: 20

Worksheet time: 35mins

Name
Class
Date
1.
The scientific name for an organism is made from the:
a)
class and family name
b)
genus and species name
c)
domain and kingdom name
d)
kingdom and phylum name
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.
Which of the following means sorting living things into groups based on similarities?
a)
Taxonomy
b)
Scientific Sortation
c)
Classification
d)
Taxidermy
4.
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?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
5.
What is the name of bird W?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
6.
Using this dichotomous key, identity the name of the circled fish.
a)
band-tail puffer
b)
spotted goat fish
c)
peacock flounder
d)
trumpet fish
7.
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
8.
When using a dichotomous key to identify organisms, what do we look at?
(a)  
a)

physical features

b)

weather patterns

c)

environment

d)

diet

9.

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?

(a)  

10.

Identify leaf F


(a)  
Choose from the below words
Magnolia
Cydonia
Aesculus
Fraxinus
Ilex
11.

A student examines the winged insect using the picture.

Based on the key, in what order should this insect be classified?

(a)  

12.
Using this dichotomous key, identify the name of the circled Fish, J.
a)
peacock flounder
b)
band-tail puffer
c)
trumpet fish
d)
spotted goat fish
13.

Which shark is the picture of?

a)

Cow Shark

b)

Great White Shark

c)

Hammerhead Shark

d)

Saw Shark

14.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
15.

Use the dichotomous key to identify this white wildflower

a)

Starflower

b)

Chickweed

c)

Common Strawberry

d)

Bowman's root

16.
The first part of a scientific name is an organism's _______________ and the second part is its ________________.
a)
species, genus
b)
phylum, order
c)
class, spices
d)
genus, species
17.
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
18.
What step do we always start with when using dichotomous keys?
a)
1
b)
2
c)
3
d)
4
19.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
20.

A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger.

The student uses the dichotomous key below to identify it.

1. a) Abdomen segmented.............go to 2

b) Abdomen not segmented ......go to 4

2. a) Abdomen with tail....................go to 3

b) Abdomen without tail...............go to 5

3. a) Tail with stinger..........................Scorpion

b) Tail without stinger.....................Whip scorpion

4. a) Legs longer than body.............Daddy Long Legs

b) Legs not longer than body……….Wind scorpion

5. a) Covered with spines .......................Mite

b) Few spines.....................................Tick

a)

Whip Scorpion

b)

Daddy Long Legs

c)

Mite

d)

Tick