WorksheetsAPES Sustaining Biodiveristy
Total questions: 20
Worksheet time: 11mins
Name
Class
Date
1.
The IUCN's Red List is:
a)
a list of unidentified species
b)
a list of known exotic species
c)
a list of species facing a risk of extinction
d)
a list of ecologically damaged ecosystem
2.
Removal of which of the following will result in the greatest change(s) in an ecosystem?
a)
indicator species
b)
keystone species
c)
foundation species
d)
threatened species
3.
A species of lizard has gone extinct. This could be due to any reason EXCEPT:
a)
increased genetic diveristy within the species
b)
inbreeding
c)
climate change
d)
habitat destruction
4.
Clear-cutting:
a)
restricts timber harvesting to mountaintops
b)
removes all trees from a widespread area
c)
involves elimination of subsidies to logging companies
d)
is a form of violent protest favored by radical environmental organizations
5.
Which is NOT a trait of a successful invasive species?
a)
long lived
b)
high dispersal rate
c)
specialists
d)
short generation time
6.
Select the statement that is NOT a reason why protecting marine biodiversity is difficult.
a)
human eco footprint is expanding
b)
much of the damage is not visible to most people
c)
much of the global ocean area lies outside the boundaries of any country
d)
there is no scientific understanding of what needs to be done
7.
Which of the following is the best long-term method of preventing extinctions?
a)
breeding endangered species in captivity
b)
protecting the habitats of endangered species
c)
providing food to endangered species in the wild
d)
removing predators from areas that contain endangered species
8.
Which method has the most destructive effects on the seafloor?
a)
dredging
b)
gill nets
c)
purse seines
d)
traps & pots
9.
Pangolins are illegally hunted, decreasing the population. Their scarcity makes them more valuable, so hunting increases. This is a(n):
a)
negative feedback loop
b)
mutualistic relationship
c)
positive feedback loop
d)
commensalistic relationship
10.
Tropical rainforest deforestation results from all of the following EXCEPT:
a)
subsistence farmers trying to grow food to survive
b)
establishment of vast plantations for soybeans and palm oil
c)
gov't taxes on timber harvesting
d)
poverty
11.
CITES is a(n):
a)
regulation controlling the introduction of exotic species
b)
pact that supports critical habitats that support wildlife
c)
treaty controlling the international trade in endangered species
d)
international organization to preserve endangered species
12.
When it appears that it is no longer profitable to continue fishing as a result of overfishing, the fish populations are said to be
a)
functionally extinct
b)
biologically extinct
c)
ecologically extinct
d)
commercially extinct
13.
HIPPCO is an acronym that aids in remembering
a)
threats to the world's biodiversity
b)
African animals that are threatened with extinction
c)
the organizations working to save threatened species
d)
the names of endangered species
14.
Which is NOT a strategy to reduce fire-related harm to forests and people?
a)
set small, contained surface fires in high-risk forest areas
b)
encourage growth of young trees and underbrush
c)
thin a zone of 60 meters around homes in fire prone areas
d)
allow fires on public lands to burn as long as they don't threaten lives
15.
Unfenced grasslands that supply forage for grazing animals are called:
a)
pastures
b)
rangelands
16.
Protected areas linking isolated reserves is a design called
a)
buffer zone concept
b)
wilderness concept
c)
transition zone
d)
habitat corridors
17.
Which is NOT a method of grassland restoration?
a)
use of portable fences to confine cattle to certain areas
b)
suppressing growth of invasive plants by using narrow-spectrum herbicides
c)
removal of native grasses to reduce growth
d)
rotation of watering holes and feeding areas
18.
3 common methods in the cleanup of oil spills are
a)
large floating booms, skimmer boats, and genetically engineered bacteria
b)
skimmer boats, high temp incineratoin, and phytoremediation
c)
large floating booms, high temp incineration, and phytoremediation
d)
aeration of water, skimmer boats, and genetically engineered bacteria
19.
Salmon farming threatens the health of wild salmon stocks because:
a)
farmed salmon compete with wild salmon for spawning sites
b)
farmed salmon can spread parasites and disease to wild salmon
c)
salmon farming prevents commercial fishing fleets from overharvesting wild salmon
d)
farmed salmon contain chemicals derived from food additives that may be harmful to human consumers
20.
The factor that likely poses the greatest threat of extinction of species worldwide is
a)
increasing loss of habitat
b)
increase in hunting & fishing
c)
black-market trade in endangered species
d)
weakening of environmental legislation
100 %
