Test Bank for Biology The
Essentials 4th Edition By
Marielle Hoefnagels (All
Chapters 1-20, 100%
Original Verified, A+ Grade)
Answers at the end of each
Chapter.
All Chapters Arranged Reverse: 20-1
,Chapter 20
Student name:__________
TRUE/FALSE - Write 'T' if the statement is true and 'F' if the statement is false.
1) Conservation biologists study the preservation of biodiversity.
⊚ true
⊚ false
2) Forests are expanding and deserts are shrinking worldwide.
⊚ true
⊚ false
3) The ozone layer absorbs much of the harmful UV wavelengths of light that would
otherwise reach Earth.
⊚ true
⊚ false
4) Carbon dioxide gas is not a major contributor to the greenhouse effect.
⊚ true
⊚ false
5) Habitat destruction is the primary threat to biodiversity.
. 1
,Chapter 20
⊚ true
⊚ false
6) Of every 100 species introduced, only one persists to take over a niche.
⊚ true
⊚ false
7) Overexploitation is harvesting a species faster than it can reproduce.
⊚ true
⊚ false
8) Since the 1950s, only 1% of the ocean's large predatory fish have disappeared.
⊚ true
⊚ false
9) The zebra mussel and the gypsy moth are native species of North America.
⊚ true
⊚ false
. 2
, Chapter 20
10) One important conservation tool used to restore native populations is to set aside an area
and protect it from overexploitation, invasive species, and habitat destruction.
⊚ true
⊚ false
11) After nearing extinction in the 1960s, the bald eagle population is now about 10,000.
⊚ true
⊚ false
12) One key to reversing environmental decline is to slow the growth of the human
population.
⊚ true
⊚ false
13) The greatest threat to the endangered great spotted kiwi of New Zealand is predation.
⊚ true
⊚ false
14) Humans can survive on Earth without biodiversity.
. 3
Essentials 4th Edition By
Marielle Hoefnagels (All
Chapters 1-20, 100%
Original Verified, A+ Grade)
Answers at the end of each
Chapter.
All Chapters Arranged Reverse: 20-1
,Chapter 20
Student name:__________
TRUE/FALSE - Write 'T' if the statement is true and 'F' if the statement is false.
1) Conservation biologists study the preservation of biodiversity.
⊚ true
⊚ false
2) Forests are expanding and deserts are shrinking worldwide.
⊚ true
⊚ false
3) The ozone layer absorbs much of the harmful UV wavelengths of light that would
otherwise reach Earth.
⊚ true
⊚ false
4) Carbon dioxide gas is not a major contributor to the greenhouse effect.
⊚ true
⊚ false
5) Habitat destruction is the primary threat to biodiversity.
. 1
,Chapter 20
⊚ true
⊚ false
6) Of every 100 species introduced, only one persists to take over a niche.
⊚ true
⊚ false
7) Overexploitation is harvesting a species faster than it can reproduce.
⊚ true
⊚ false
8) Since the 1950s, only 1% of the ocean's large predatory fish have disappeared.
⊚ true
⊚ false
9) The zebra mussel and the gypsy moth are native species of North America.
⊚ true
⊚ false
. 2
, Chapter 20
10) One important conservation tool used to restore native populations is to set aside an area
and protect it from overexploitation, invasive species, and habitat destruction.
⊚ true
⊚ false
11) After nearing extinction in the 1960s, the bald eagle population is now about 10,000.
⊚ true
⊚ false
12) One key to reversing environmental decline is to slow the growth of the human
population.
⊚ true
⊚ false
13) The greatest threat to the endangered great spotted kiwi of New Zealand is predation.
⊚ true
⊚ false
14) Humans can survive on Earth without biodiversity.
. 3