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Module 14 - Extinction Factors
Test Description: Extinction factors
Instructions: Answer all questions to get your test result.
1) Which of the following most accurately describes the cause of the extinction of the dinosaurs at the end of the Mesozoic era?
A
Habitat destruction
B
Pollution
C
Natural factors
D
Man made factors
2) Which of the following would be considered a natural extinction factor?
A
Habitat destruction
B
Overharvesting
C
Pollution
D
Climate changes
3) Which of the following best describes the factors that have caused extinctions over millions of years of geologic time?
A
Natural factors
B
Pollution factors
C
Habitat removal factors
D
Over harvesting factors
4) What percent of animal extinction is known to be due to man-made factors since 1960?
A
98%
B
100%
C
79%
D
39%
5) Most extinctions that have occurred throughout Earth's long history have been a result of __________factors.
A
global warming
B
man-made
C
human-made
D
natural
6) Some extinctions have created new opportunities for different kinds of life to emerge and flourish such as __________ following the extinction of the dinosaurs.
A
trilobites
B
all of the above
C
mammals
D
fish
7) Recent evidence suggests that __________ factors may be the cause of many extinctions arising today.
A
pollution
B
all of the answer choices
C
human-made
D
natural
8) An __________ species is a species that is very likely to become extinct in the near future.
A
adapted
B
endangered
C
extinct
D
all of the answer choices
9) These major mass extinctions throughout Earth's history were caused by which of the following?
A
Natural extinction factors
B
Global warming factors
C
All of the answer choices
D
Human-made extinction factors
10) Which of the following statements is FALSE?
A
All of the answer choices
B
During Earth's history there have been several mass extinctions.
C
Throughout Earth's history many species of organisms have gone extinct.
D
Organisms today appear to be going extinct at a normal rate.
11) Which of the following best explains why the thylacine went extinct?
A
Habitat destruction and over exploitation
B
Large asteroid impact event
C
Rapid climatic changes
D
Higher levels of pollution
12) Which of the following best summarizes extinction factors that have occured on Earth over geologic time?
A
Mass extinctions have occurred five times during Earth's history, all as a result of human-made factors.
B
Most extinctions have been due to human-made factors.
C
Most extinction have been due to natural factors.
D
Mass extinctions have occurred twice during Earth's history, once when the dinosaurs became extinct, and now due to human-mad
13) Cogongrass has spread rapidly across the South. Cogongrass is an invasive species causing economic and ecological damages that impact forestry, agriculture, rangeland, and natural ecosystems. How has Cogongrass most likely affected natural species?
A
The population of native species has quickly declined, and some species may become more successful.
B
The population of native species has quickly declined, and some species may become extinct.
C
The population of native species has quickly increased, and some species may become more successful.
D
The population of native species has quickly increased, and some species may become extinct.
14) Which of the following most accurately summarizes why the dodo bird went extinct?
A
Natural factors
B
Climate changes
C
Impact event
D
Man made factors
15) Which of the following best describes why the ivory-billed woodpecker went extinct?
A
Climate change
B
Pollution
C
Removal of natural habitats
D
Natural factors
*select an answer for all questions
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