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Biodiversity & Hotspots 2021 Flashcards | StudBud
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Biodiversity & Hotspots 2021
Biodiversity & Hotspots 2021
20 terms
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Test quiz on biodiversity
Flashcards
20 cards
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Questions
20
Answers
1
Which would be found in a healthy ecosystem?
high number of tall trees
high number of different living things
warm climate
small population of herbivores
2
The reason islands have so many endemic species is because
islands have long coastlines.
island animals can't swim.
islands don't have enough bridges to other islands.
islands are isolated from other lands.
3
This is a coral reef. You'd expect it to have...
no biodiversity
low bidiversity
high biodiversity
4
Three types of biodiversity are _____
water, land, mountains
sunlight, soil, rain
food, water, shelter
species, genetic, ecosystem
5
The Tundra is one of the biomes with the greatest biodiversity
True
False
6
The greater a habitat's biodiversity, the greater will be that habitat's ...
distance to the nearest water source.
temperature ranges across season.
use of energy in the form of sunlight.
stability over time with varying conditions.
7
The word "endemic" means
found only in one location on Earth.
high biodiversity.
nearly extinct.
living on an island.
8
One of the two criteria for an area to qualify as a Biodiversity Hotspot is
1,500 extinct mammal species.
1,500 endemic plant species.
1,500 endemic insect species.
1,500 extinct plant species.
9
Which country has the greatest biodiversity?
United States
Canada
Mexico
Australia
10
Small changes in one part of an ecosystem never cause changes elsewhere.
False
True
11
What happens when the population of an endemic species is reduced to zero?
Extinction.
Food webs remain balanced.
Biodiversity increases.
Other populations migrate in.
12
Biodiversity is the variety of life within an area.
False
True
13
One benefit of high biodiversity is
stable food webs
few plant to pollinate
disruption of predator-prey relationships
many rivers
14
Which of the following can cause an unwanted change to an ecosystem?
biodiversity
pollution
photosynthesis
evolution
15
Biodiversity can be maintained by protecting
crops
horses
factories
habitats
16
How do elephants display genetic diversity?
Different species in one population.
Different habitats.
Identical color.
Variation in color.
17
Which is NOT a biodiversity hotspot?
Madagascar
Alaska
Philippines
Brazil
18
Look at the picture below. What kind of biodiversity would you expect?
no biodiversity
high species biodiversity
ecological (biome) biodiversity
low species bodiversity
19
One of the two criteria for an area to qualify as a Biodiversity Hotspot is
greater than 70% loss of natural vegetation.
more than half of the organisms are insects.
being an island.
being located in the tropical zone.
20
Most Biodiversity Hotspots are located in which climate zones?
Tropical & Polar
Temperate & Polar
Tropical & Temperate
Tropical & Equatorial
