Bio Unit 3/lecture 28

Front 1

The logical conclusion that can be drawn from Wilcove's experimental data in the graph above is that _______.

Back 1

Songbird nests in forest fragments are more likely to be found by predators than those in intact tracts of forest

Front 2

Scientists at the Natural History Museum in London estimate that more than ______ percent of living species have not yet been discovered.

Back 2

98

Front 3

Wilcove's experimental design included

Back 3

three forest types, multiple nests per forest type and height from ground

Front 4

The greatest rate of extinction of all time is/are probably caused by

Back 4

human activity

Front 5

When subtropical forest is cleared, what biome is most likely to replace it?

Back 5

desert with poor eroded soil

Front 6

The administration of the drug diclofenac to livestock inadvertently poisoned ______ and led to an increase in the disease ______

Back 6

vultures; rabies

Front 7

Which of the following environments would be most likely to harbor a biodiversity hotspot?

Back 7

tropical island

Front 8

Which of the following choices best summarizes the results of the experiment by Damschen and her colleagues in the graph?

Back 8

over time, the number of native species harbored by habitat patches with landscape corridors was increasingly greater than in isolated habitat patches

Front 9

What is the significance of genetic variation?

Back 9

it is the raw material for adaptation, speciation, and evolution; and it is the most fundamental level of biological organization

Front 10

Which of the following benefits from biodiversity would be categorized as an ecosystem service?

Back 10

decomposition of wastes

Front 11

Which of the following account for 20% of the greenhouse gases recorded annually?

Back 11

deforestation of moist tropical forests

Front 12

The genes of teosinte, a wild relative of corn, were used in crossbreeding with domestic corn in an attempt to produce a ______ variety.

Back 12

perennial

Front 13

Conservation biology is a _______

Back 13

young science

Front 14

The Ngorongoro Conservation Area is an example of _______

Back 14

mixed use conservation, with some human residents and livestock grazing

Front 15

Which of the following data were used in the population viability analysis conducted for the yellow-bellied glider?

Back 15

litter sizes, sex ratios, life span home ranges, survival probabilities, and age distributions

Front 16

What molecule from coal-burning power plants dissolves in water vapor in the air and falls as acid precipitation?

Back 16

sulfur dioxide

Front 17

In 2002, habitat patches that were connected by corridors had _____

Back 17

six more species than isolated habitat patches had

Front 18

Atlantic cod have evolved to mature at a younger age and smaller size due to _______

Back 18

overexploitation by fishermen

Front 19

Most of the following species are invasive exotics. Select the exception.

Back 19

Atlantic cod

(kudzu, Africanized honeybee, hemlock wooly adelgid, and starlings are)

Front 20

Sea otter populations were reduced by overhunting, allowing an overgrowth of one of their prey animals, the _______, which consumed populations of _______ and decimated them.

Back 20

sea urchin; kelp

Front 21

How does habitat fragmentation affect biodiversity?

Back 21

Habitat fragmentation is a threat to biodiversity because small habitat patches sustain only small populations

Front 22

Conservation biologists conduct a population viability analysis to determine ________

Back 22

how large a population must be to ensure its long-term survival

Front 23

Why have so few primates gone extinct compared to other groups, for example, mussels or birds?

Back 23

they are among the most closely monitored and protected species