Chat with us, powered by LiveChat Unit V Assesment (ecology) | Abc Paper
+1(978)310-4246 credencewriters@gmail.com
  

see attachment

https://online.columbiasouthern.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_498515_1&course_id=_111010_1&content_id=_6… 1/5

Description
Instructions

Multiple Attempts Not allowed. This test can only be taken once.
Force Completion This test can be saved and resumed later.

Your answers are saved automatically.

Assessment Instructions

QUESTION 1

The number of species within a community is usually greatest when:
a disturbance occurs.
a low frequency of disturbance occurs.
an intermediate frequency of disturbance occurs.
a high rate of disturbance occurs.

Save Answer

QUESTION 2

According to the figure, which species is considered a pioneer species?

Bromus techtorum

Bromus carinatus

Nassella pulchra

Save Answer

Question Completion Status:

Click Save and Submit to save and submit. Click Save All Answers to save all answers.

https://online.columbiasouthern.edu/bbcswebdav/pid-6769875-dt-content-rid-45577250_1/xid-45577250_1

1/3/2021 Take Test: Unit V Assessment – BIO 1302-17C-FA21L-S2, …

https://online.columbiasouthern.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_498515_1&course_id=_111010_1&content_id=_6… 2/5

Bouteloua curtipendula

QUESTION 3

What is an example of secondary succession?
Grasses colonizing sand dunes
Lichens colonizing a rock
Weeds colonizing a volcanic lava flow
Crabgrass colonizing an abandoned wheat field

Save Answer

QUESTION 4

Which of the following are late successional species?
Trees
Grass
Weeds
Forbs

Save Answer

QUESTION 5

Which of the following is NOT a general relationship?
Increasing patch size is related to increased species diversity.
Increasing patch size is related to increased population size.
Increasing patch size is related to increased edge-to-core ratio.
Increased body size is related to increased home range.

Save Answer

A.

B.

C.

D.

E.

F.

G.

H.

I.

J.

QUESTION 6

Match the question to the correct answer.

The sequence of communities
from the pioneer community to the
climax community is called a(n)
________.

Early successional species are
referred to as ________ species.

Succession that occurs on a site
that was previously unoccupied by
another community is called
________ succession.

Environmental change is a direct
result of the organisms within the
________ community.

The patchwork of different types of

patch

edge

Island biogeography

autogenic

community

connectivity

Intermediate disturbance

corridors

mosaic

pioneer

Save Answer

Question Completion Status:

Click Save and Submit to save and submit. Click Save All Answers to save all answers.

1/3/2021 Take Test: Unit V Assessment – BIO 1302-17C-FA21L-S2, …

https://online.columbiasouthern.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_498515_1&course_id=_111010_1&content_id=_6… 3/5

K.

L.
M.

p yp
land cover is called a(n) ________
.

Strips of habitat that connect
habitat patches are referred to as
________.

Within a mosaic, a(n). ________ is
a relatively homogeneous
community type, differing from its
surroundings in both structure and
species composition.

The ________ effect refers to the
rich diversity of life that occurs
along the border between adjacent
habitat patches, represented by
species from both adjacent
patches and species adapted to
edge habitats.

A(n) ________ species lives within
the borders of a habitat patch,
avoiding edges where habitat
change is abrupt.

The degree to which the landscape
facilitates or impedes the
movement of organisms among
patches is called ________.

p

interior

sere

primary

QUESTION 7

Assuming primary succession, list the following plant groups in order from early-
successional to late-successional.

shade tolerant trees

shrubs

lichen

shade-intolerant trees

grasses/herbaceous plants

Save Answer

Question Completion Status:

Click Save and Submit to save and submit. Click Save All Answers to save all answers.

https://online.columbiasouthern.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_498515_1&course_id=_111010_1&content_id=_6… 4/5

QUESTION 8

Explain the intermediate disturbance hypothesis as it relates to successional stages and species
diversity.

Your response should be at least 75 words in length.
For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

P 0 WORDS POWERED BY TINY

Save Answer

For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

QUESTION 9

Explain the theory of island biogeography. What factors determine the rate of immigration (new species
establishment) and extinction?

Your response should be at least 200 words in length.

P

0 WORDS POWERED BY TINY

Save Answer

Question Completion Status:

Paragraph Arial 14px

Paragraph Arial 14px

Click Save and Submit to save and submit. Click Save All Answers to save all answers.

https://www.tiny.cloud/?utm_campaign=editor_referral&utm_medium=poweredby&utm_source=tinymce&utm_content=v5

https://www.tiny.cloud/?utm_campaign=editor_referral&utm_medium=poweredby&utm_source=tinymce&utm_content=v5

https://online.columbiasouthern.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_498515_1&course_id=_111010_1&content_id=_6… 5/5

Question Completion Status:

Click Save and Submit to save and submit. Click Save All Answers to save all answers.

error: Content is protected !!