Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit Two Test

Total questions: 30

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

___ are the first organisms to colonize an area and begin the process of ecological succession.

a)

foundational organisms

b)

introductory organisms

c)

primary organisms

d)

pioneer species

2.

What is the main difference between primary and secondary ecological succession?

a)

Primary begins WITHOUT soil; Secondary begins WITH soil

b)

Primary is the first state and secondary is the second stage

c)

Primary builds plant community; secondary builds animal community.

d)

Primary begins WITH soil; Secondary begins WITHOUT soil

3.

What is an example of an area that is likely to undergo primary succession?

a)

Glaciers melt and leave exposed rock

b)

Plants die from drought and decompose

c)

Land is bulldozed and soil remains

4.

Which of the following is the correct order of ecological succession?

a)

grass - shrubs - lichens - trees

b)

lichens - shrubs - grasses - trees

c)

lichens - grasses - shrubs - trees

d)

grasses - lichens - shrubs - trees

5.

What is an increase of biodiversity over time, after a natural or man made disturbance?

a)

ecological recession

b)

climax recession

c)

ecological succession

d)

climax succession

6.

What is the term that describes a steady and stable community?

a)

peak community

b)

turf community

c)

climax community

d)

disturbed community

7.

Which is faster: Primary or Secondary Succession?

a)

Primary Succession

b)

Secondary Succession

c)

Both Take The Same Amount of Time

8.

Which of the following is NOT a pioneer species?

a)

Shrubs

b)

Lichen

c)

Mosses

d)

Fungi

9.
What are examples of pioneer species in a primary succession?
a)
Bushes and Shrubs
b)
Oak trees
c)
Mossess and Lichens 
d)
A rose Bush
10.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
11.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary
12.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
13.

Which do you think has a higher species diversity biodiversity, a food chain or a food web?

a)

Food Chain

b)

Food Web

14.

What has a higher biodiversity: a rain forest or a desert?

a)

Rain forest

b)

Desert

c)

They have a similar biodiversity

15.

Why is biodiversity in an ecosystem so important?

a)

Because it can help humans where to determine good places to develop farm land.

b)

Because places that have a healthy biodiversity are unaffected by major disturbances.

c)

Because having a high biodiversity allows ecosystems to withstand major changes.

d)

Because having a high biodiversity allows for fewer opportunities of competition for similar resources.

16.

Which of the following terms describes any major changes that may occur to an ecosystem?

a)

Distubance

b)

Resiliency

c)

Adaptations

d)

Biodiversity

17.

The prefix Bio means

a)

life

b)

birds

c)

science

d)

ecosystems

18.

The suffix diversity means

a)

different

b)

variety

c)

colors

d)

animals

19.

Greater species diversity ensures natural ________________ for all life forms.

a)

selection

b)

sustainability

c)

help

d)

health

20.
What is the difference between biotic and abiotic?
a)
Biotic are non-living things
b)
Abiotic are living organisms
c)
Biotic is life,
Abiotic is non-living
d)
Biotic is non-living, Abiotic is living
21.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
22.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
23.
Tool used by a taxonomist to identify an unknown organism is a:
a)
dichotomous key
b)
binomial nmenclature
c)
scientific name
d)
binomial key
24.
What step do we always start with when using dichotomous keys?
a)
1
b)
2
c)
3
d)
4
25.
What is the name of bird Z?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
26.
What is the name of bird W?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
27.
What is a dichotomous key used for in science?
a)
To organize biomes
b)
Classify organisms
c)
Identify bacteria only
d)
None of these
28.
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
29.

What is the answer for question 2?

a)

go to 3

b)

snake

30.

Take your time and read carefully!


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)

Tick

d)

Scorpion

Similar Resources on Wayground

Resources and Human Impact Review

26 questions

Resources and Human Impact Review

quiz

Worksheet

•

6th Grade

Scie6_MothlyAssessment_4thQuarter

25 questions

Scie6_MothlyAssessment_4thQuarter

quiz

Worksheet

•

6th Grade

Medieval Japan

25 questions

Medieval Japan

quiz

Worksheet

•

8th Grade - University

QUIZ [3] - G7 - Term 1

25 questions

QUIZ [3] - G7 - Term 1

quiz

Worksheet

•

7th - 9th Grade

Getting to know Plants

35 questions

Getting to know Plants

quiz

Worksheet

•

6th Grade

Human Influences on the Environment

25 questions

Human Influences on the Environment

quiz

Worksheet

•

7th Grade