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Ecology 47 Biodiversity & Conservation
Quiz by Dieterle 1
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- Q1
What percent of all species are estimated to become extinct in the next 50 years?
95%
10%-20%
20%-25%
30%
30s - Q2
___________________ is the variety of life on Earth. Described as the number of species present in an area.
Bioinformatics
Biodiversity
Endangered
Ecosystem
30s - Q3
Put these classifications in order from least to most serious in terms of conservation.
Users link answersLinking30s - Q4
Biodiversity is highest at the poles and declines towards the equator.
falsetrueTrue or False30s - Q5
Landscape diversity incorporates a number of interacting ecosystems within one area.
truefalseTrue or False30s - Q6
_________________ _________________ , such as the rain forest, contain unusually large concentrations of species.
Users enter free textType an Answer30s - Q7
There are up to 50 million species living on Earth today, most of which have not yet been discovered.
truefalseTrue or False30s - Q8
Populations that are small tend to have ______________ biodiversity.
high
low
30s - Q9
Diseases are less likely to affect populations with _____________ biodiversity.
high
low
30s - Q10
Decreasing the population by removing members will most likely _______________ biodiversity.
increase
stabilize
decrease
30s - Q11
Organize the following based on the category of biodiversity value.
Users sort answers between categoriesSorting30s - Q12
_____________________________ is the cause of 85% of endangered species.
Disease
Pollution
overexploitation
habitat loss
exotic species
30s - Q13
species the influence the viability of a community, their removal leads effects the entire ecosystem.
exotic species
keystone species
flagship species
hotspot species
30s - Q14
The ________________ effect describes how the edges of an ecosystem are less diverse than the center. The smaller an ecosystem patch, the more 'edge' is produced.
restoration
landscape
edge
sink
30s - Q15
_______________________ seeks scientific ways to return ecosystems to their former state.
conservation biology
Landscape dynamics
source populations
restoration ecology
30s