Module 10 Conservation Biology and Biodiversity

Question 1

It is more expensive to discover compounds made by an organism than to imagine them and then synthesize them in a laboratory.

Answer 1

false

Question 2

Endemic species are found in only one location.

Answer 2

true

Question 3

The loss of biodiversity currently being observed is almost entirely a result of human activities.

Answer 3

true

Question 4

Resistance to disease is a chief benefit to maintaining crop biodiversity.

Answer 4

true

Question 5

Many plants produce secondary plant compounds, which are toxins used to protect the plant from insects and other animals that eat them.

Answer 5

true

Question 6

Crop diversity is not a requirement for food security.

Answer 6

false

Question 7

White-nose syndrome is an economic principle that resources held in common will inevitably be overexploited.

Answer 7

false

Question 8

Global warming will raise ocean levels due to meltwater from glaciers resulting in island size reduction

Answer 8

true

Question 9

The gradual melting and subsequent refreezing of glaciers could result in a reduction of ocean salinity and a shortage of fresh water.

Answer 9

true

Question 10

Habitat restoration has the potential to restore ecosystems to previous biodiversity levels before species become extinct.

Answer 10

true

Question 11

Captive breeding programs for endangered species are efficient and are often successful when the species are reintroduced to the wild.

Answer 11

false

Question 12

The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) treaty provides a legal framework for preventing “listed” species from being transported across nations’ borders, thus protecting them from being caught or killed in the first place when the purpose involves international trade.

Answer 12

true

Question 13

Which of the following is not a type of biodiversity?

Answer 13

habitat

Question 14

The FDA approved five drugs based on animal toxins to treat diseases such as…

Answer 14

hypertension.

chronic pain.

diabetes.

Question 15

What kind of ecosystem are exotic species especially threatening to?

Answer 15

islands

Question 16

The number of currently named species on the planet is about ________.

Answer 16

1.5 million

Question 17

A secondary plant compound might be used for which of the following?

Answer 17

a new drug

Question 18

Converting a prairie to a farm field is an example of ________.

Answer 18

habitat loss

Question 19

A/an _________________ is a concept originated by Norman Myers to describe a geographical region with a large number of endemic species and a large percentage of degraded habitat.

Answer 19

biodiversity hotspot

Question 20

There are various initiatives to catalog described species in accessible and more organized ways. What method is primarily facilitating this effort?

Answer 20

internet

Question 21

_____________ are the most diverse ecosystems on the planet.

Answer 21

rainforests

Question 22

_____________ is the disappearance of a species from Earth.

Answer 22

extinction

Question 23

Pollination is an example of ________.

Answer 23

an ecosystem service

Question 24

Our ability to grow crops is dependent on the biodiversity of the _________ in which they are grown.

Answer 24

ecosystems

Question 25

_____________ may migrate from the fields where they are applied and do damage to other ecosystems like streams, lakes, and the ocean.

Answer 25

pesticides

Question 26

___________ is a wild-caught animal used as food (typically mammals, birds, and reptiles); usually referring to hunting in the tropics of sub-Saharan Africa, Asia, and the Americas.

Answer 26

bushmeat

Question 27

___________are species that have been intentionally or unintentionally introduced by humans into an ecosystem in which they did not evolve.

Answer 27

exotic species

Question 28

One form of introducing exotic species to an area is _____

Answer 28

human trade and transportation

Question 29

In the United States, the first national park with land set aside to remain in a wilderness state was _____________in 1890.

Answer 29

yellowstone park

Question 30

When an at-risk species is listed by the ____________________, the U.S. Fish & Wildlife Service is required by law to develop a management plan to protect the species and bring it back to sustainable numbers.

Answer 30

endangered species act

Question 31

______________ is a potential positive impact of zoos on conservation efforts.

Answer 31

education

Question 32

_____________________ is an agreement between the United States and Canada that was signed into law in 1918 in response to declines in North American bird species caused by hunting.

Answer 32

The Migratory Bird Treaty Act (MBTA)