What is one challenge of maintaining wildlife corridors?

Land may be costly or contested for other uses

The Eurasian wolf keeps deer, elk and wild boar populations in check. What is an impact of increasing wolf pop.?

Reduction in herbivore numbers, allowing vegetation to regenerate

How can plate tectonics lead to the formation of new species?

By isolating populations through land separation or mountain formation

The eurasian wolf is endangered. What has likely led to this?

Habitat loss and persecution by humans have reduced its population

What distinguishes a flagship species from a keystone species?

Keystone species have major role; flagship species raise awareness

Why does human population growth often result in biodiversity loss?

Human activity increases habitat destruction and pollution

Which of the following is used to determine a species’ IUCN Red List status?

Population size and rate of decline

Why is biodiversity loss considered a threat to human society?

It reduces food security, medicine sources, and ecosystem

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Semester Exam Review- Biodiversity and Conservation

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Answers

1
What is one challenge of maintaining wildlife corridors?
Animals refuse to use them
Land may be costly or contested for other uses
Corridors always increase species extinction
Corridors eliminate the need for protected areas
2
The Eurasian wolf keeps deer, elk and wild boar populations in check. What is an impact of increasing wolf pop.?
Decreased vegetation due to wolf feeding on plants
Elimination of all other predators in the food web
Reduction in herbivore numbers, allowing vegetation to regenerate
Increased overgrazing by herbivores
3
The eurasian wolf influence prey populations, behavior, and even landscape features, this makes them a...
keystone species
flagship species
key producer
endangered species
4
How can plate tectonics lead to the formation of new species?
By isolating populations through land separation or mountain formation
By preventing natural disasters like volcanoes and earthquakes
By increasing rainfall and erosion
By reducing solar radiation exposure
5
The eurasian wolf is endangered. What has likely led to this?
It only eats one specific type of prey that is extinct
Habitat loss and persecution by humans have reduced its population
It cannot reproduce in the wild without human assistance
It is unable to survive in cold climates
6
What distinguishes a flagship species from a keystone species?
Flagship species are more important ecologically than keystone species
Keystone species have major role; flagship species raise awareness
Keystone species are predators; flagship species are herbivores
Flagship species provide food for others; keystone species promote tourism
7
Why does human population growth often result in biodiversity loss?
Human activity increases habitat destruction and pollution
More people create stronger food webs
Biodiversity increases with urban development
Large populations prevent land degradation
8
Which of the following is used to determine a species’ IUCN Red List status?
Habitat color and vegetation type
Population size and rate of decline
Ability to adapt to new diets
Number of photos available for identification
9
What is the ecological relationship between a sheep and the grass it feeds on?
Parasitism
Mutualism
Predation
Herbivory
10
Why is biodiversity loss considered a threat to human society?
It improves industrial efficiency at the cost of nature
It reduces food security, medicine sources, and ecosystem
It leads to more invasive species controlling ecosystems
It has no effect on ecosystem services
11
Which of the following is an example of predation?
A bee pollinating a flower
The bacteria in a human gut
two birds fighting over a fish
Lion eating a gazelle

Semester Exam Review- Biodiversity and Conservation Flashcards | StudBud