EVR 1001 chapter 8- Questions and Answers
1. insects The greatest species diversity is found in which of the following groups?
2. greatest at the equa- Global biodiversity exists in a number of patterns. The largest and most
tor and drops as you obvious of these is that biodiversity is .
move farther north
or south
3. 66 Overall, how many studies showed a positive effect of organic farming on
biodiversity?
4. 11% What percentage of the studies showed a negative effect of organic farming
on organisms?
5. plants For which group of organisms is evidence of positive effects the strongest?
6. 8.25:1 What is the overall ratio of positive effects of organic farming to negative
effects?
7. Beetles and other A scientist plans to further investigate the impact of organic farming on
arthropods biodiversity. Which groups of organisms should the scientist select?
8. an introduced Bullfrog tadpoles are often sold as fish bait, even in areas where they do
species not occur naturally. When people buy 10 of them and don't use them all,
they often dump the remainder into the lake or river. This is an example of
.
9. is ongoing and has The sixth mass extinction event .
been caused by hu-
man disturbance
10. suffer psychological- In his 2005 book, Last Child in the Woods, Richard Louv maintains that today's
ly and emotionally children .
from "nature deficit
syndrome"
1/8
, EVR 1001 chapter 8- Questions and Answers
11. top predator The type of species that is generally most vulnerable to human impact is the
.
12. release them to the In captive breeding programs, organisms are bred with the intent to
wild .
13. A hotspot is a re- Which of the following best describes a biodiversity "hotspot"?
gion where species
diversity is high but
threatened by habi-
tat loss.
14. 1986-1992 During what period did the number of pairs of bald eagles increase by the
greatest percentage?
15. lower survival rates In addition to the butterfly project, you decide to stop spraying the pesticides
for the caterpillars that control lawn pests. Over the next year, you notice that the lawn grass
and butterflies. doesn't grow as well, and many other species of plants invade the lawn, many
of them native species. The disuse of pesticides would likely result in all of
the following EXCEPT:
16. threats to a keystone A migratory bat species pollinates agave plants in northern Mexico on its way
species to the southwestern United States where it spends the summer eating insects
and reproducing. Farmers spraying pesticides affect these bats, which eat
the insects and also feed them to the baby bats. This could be the start of a
story about .
17. Extirpation Part complete
is the term we use when a population disappears from a given
area locally but not globally.
18. zoos
2/8
1. insects The greatest species diversity is found in which of the following groups?
2. greatest at the equa- Global biodiversity exists in a number of patterns. The largest and most
tor and drops as you obvious of these is that biodiversity is .
move farther north
or south
3. 66 Overall, how many studies showed a positive effect of organic farming on
biodiversity?
4. 11% What percentage of the studies showed a negative effect of organic farming
on organisms?
5. plants For which group of organisms is evidence of positive effects the strongest?
6. 8.25:1 What is the overall ratio of positive effects of organic farming to negative
effects?
7. Beetles and other A scientist plans to further investigate the impact of organic farming on
arthropods biodiversity. Which groups of organisms should the scientist select?
8. an introduced Bullfrog tadpoles are often sold as fish bait, even in areas where they do
species not occur naturally. When people buy 10 of them and don't use them all,
they often dump the remainder into the lake or river. This is an example of
.
9. is ongoing and has The sixth mass extinction event .
been caused by hu-
man disturbance
10. suffer psychological- In his 2005 book, Last Child in the Woods, Richard Louv maintains that today's
ly and emotionally children .
from "nature deficit
syndrome"
1/8
, EVR 1001 chapter 8- Questions and Answers
11. top predator The type of species that is generally most vulnerable to human impact is the
.
12. release them to the In captive breeding programs, organisms are bred with the intent to
wild .
13. A hotspot is a re- Which of the following best describes a biodiversity "hotspot"?
gion where species
diversity is high but
threatened by habi-
tat loss.
14. 1986-1992 During what period did the number of pairs of bald eagles increase by the
greatest percentage?
15. lower survival rates In addition to the butterfly project, you decide to stop spraying the pesticides
for the caterpillars that control lawn pests. Over the next year, you notice that the lawn grass
and butterflies. doesn't grow as well, and many other species of plants invade the lawn, many
of them native species. The disuse of pesticides would likely result in all of
the following EXCEPT:
16. threats to a keystone A migratory bat species pollinates agave plants in northern Mexico on its way
species to the southwestern United States where it spends the summer eating insects
and reproducing. Farmers spraying pesticides affect these bats, which eat
the insects and also feed them to the baby bats. This could be the start of a
story about .
17. Extirpation Part complete
is the term we use when a population disappears from a given
area locally but not globally.
18. zoos
2/8
