Biodiversity Chapter 21 Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Genetic diversity (or variation) is the raw material for what?

A

adaptation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What group has highly restricted distributions, are particularly vulnerable to
extinction?

A

Endemics (species that are found in only one location)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Biodiversity in almost every taxonomic group of organism ________ closer to the _________ and ___________ toward the __________?

A

Biodiversity in almost every taxonomic group of organism INCREASES closer to the EQUATOR and DECLINES toward the POLES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

_________ and _________ are particularly vulnerable to _________ threats from introduced species?

A

LAKES and ISLANDS are particularly vulnerable to EXCTINCTION threats from introduced species

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Biodiversity is important for humans give 3 examples.

A

Agricultural
Ecosystem services
Wild Food Sources

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Ecosystem services examples are?

A

Plant pollination
Crop pest control

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

3 Biggest threats to biodiversity are?

A
  • Habitat loss
  • Overharvesting
  • Introduction of exotic species.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the biggest threat to Biodiversity?

A

habitat loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Wild fish populations are under threat from?

A

Overharvesting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Who relies on fish for protein?

A

humans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

This is known as ___________________ because no-one owns the fishery?

A

Tragedy of the Commons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The exotic pet trade threatens biodiversity in two ways. What are they?

A

habitat loss
Wild animals being killed for food & terrestrial species like turtles, birds and plants are in danger.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Exotic species are not just plant or animals what two species being harmed by fungi?

A

cave hibernating bats
NorthAmericanbullfrog

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What treaty no longer allows exotic pets (parrots, turtles, orangutans, etc.) to be imported from other countries?

A

Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) treaty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

At-risk species are listed, protect a management plan created for recovery to the sustainable number under which Act in the U.S.?

A

Endangered Species Act

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

This Act from 1918 protects all feathers, nest, and eggs from harm or disturbance for
species like piping plovers, northern cardinals, hawks, vultures?

A

Migratory Bird Treaty Act (MBTA)

17
Q

What Agreement focuses on climate change with a goal of limiting average
temperature rise to 2 degrees Celsius or less?

A

Paris Agreement

18
Q

How has climate change affected Connecticut?

A

2 F rise in average temperature.

19
Q

What is the best way to preserve the most species beyond laws and treaties?

A

changing human behavior
Conservation in Preserves
Habitat Restoration

20
Q

What is the Yellowstone experiment?

A

suggest that restoring a keystone species effectively can have the effect of restoring biodiversity in the community

21
Q

What is the biggest impact zoos have on conservation of species beyond captive
breeding?

A

play a role in conservation efforts through education.
captive breeding=preservation

22
Q

Here in Connecticut, we have already seen a _______ rise in temperature and a ______ rise in sea level.

A

TWO-degree rise in temp
SIX INCH rise in sea level

23
Q

Protected under this law are piping plovers, songbirds, and hawks.
a. The Endangered Species Act
b. The Paris accord
c. The CITES agreement
d. The Migratory Bird Treaty Act

A

d. The Migratory Bird Treaty Act

24
Q

In general, preserves should __________________.
a. Be small areas that specialize in one species.
b. Have fresh water and clean air.
c. Be as large as possible with more niches.
d. Be run by the government.

A

b. Have fresh water and clean air.

25
Q

Zoos play a role in the conservation of species by which of the following?
a. Taking species from the wild for safekeeping
b. Captive breeding programs
c. Genetics alterations
d. Moving species to safe islands

A

b. Captive breeding programs