C
Cassey
Guest
1.In a study, aquatic ecologists counted the number of species in equal volumes of water. Where would you expect them to find the smallest number of species?
a.Lake Victoria, a very large tropical lake in East Africa
b.the Great Barrier Reef, a coral reef off the coast of Australia
c.Lake Champlain, a large lake between New York and Vermont
d.coral reefs in the Red Sea, between Israel and Egypt
2.The water hyacinth is from South America. People brought it to the waterways of Florida where it is growing out of control, killing native water plants, and blocking the waterways. The water hyacinth is a
________ species.
a.threatened
b.extinct
c.exotic
d.endangered
3.The water hyacinth is from South America. People brought it to the waterways of Florida where it is growing out of control, killing native water plants, and blocking the waterways. The water hyacinth is a ________ species.
a.threatened
b.extinct
c.exotic
d.endangered
4.If a researcher found that a higher incidence of eye damage in kangaroos was due to increased ultraviolet radiation hitting the Earth, which pollutant would most likely be suspected as the cause?
a.sulfur dioxide
b.chloroflourocarbons
c.ozone
d.nitrogen dioxide
5.The California condor was extinct in the wild. Later they were bred in captivity and released in their old habitat. This is an example of:
a.corridors
b.sustainable use
c.an exotic species
d.a reintroduction program
6.The federally funded project of building a telescope in Arizona was stopped because an endangered species was found on the land. This probably occurred due to:
a.the Convention on International Trade in Endangered Species
b.reintroduction programs
c.habitat fragmentation
d.the U.S. Endangered Species Act
7.Two species of animals, Prezwalski's horse and Pere David's deer, no longer exist in the wild; they exist only in zoos. These species:
a.would be classified as a threatened species
b.are making a comeback
c.exist only in captivity
d.are extinct
8.DDT was effective in killing insects. However, which organism was endangered most by its use?
a.passenger pigeon
b.American bald eagle
c.elephant
d.sea lamprey
9.The biggest threat to global biodiversity is:
a.habitat degradation
b.habitat fragmentation
c.habitat loss
d.exotic species
10.A branch of biology that seeks to preserve the world's biodiversity is ________ ________.
11.Allowing people to remove resources from a protected area as long as damage is not done to the ecosystem is an example of the philosophy of ________ ________.
12.The variety of life in an area is its ________. The number of ________ in the area usually provides a measure of this.
13.Water pollution is an example of habitat ________.
14.If Venus fly trap plants were planted in their native habitat, this could be part of a ________ program.
15.Rats came to Hawaii on European boats; their populations grew very quickly. The rats are an example of a ________ ________.
16.In Costa Rica, a thin strip of land links two protected wildlife areas. This is an example of a ________ ________.
17.The insecticide DDT caused the American bald eagle and peregrine falcon eggs to ________, killing the chicks.
18.When a population of organisms falls drastically, that species may become a ________ species. If its population falls almost to the point of extinction it is said to be a ________ species.
19.________ ________ release organisms into an area where the species was once found.
even just one answer would help
a.Lake Victoria, a very large tropical lake in East Africa
b.the Great Barrier Reef, a coral reef off the coast of Australia
c.Lake Champlain, a large lake between New York and Vermont
d.coral reefs in the Red Sea, between Israel and Egypt
2.The water hyacinth is from South America. People brought it to the waterways of Florida where it is growing out of control, killing native water plants, and blocking the waterways. The water hyacinth is a
________ species. a.threatened
b.extinct
c.exotic
d.endangered
3.The water hyacinth is from South America. People brought it to the waterways of Florida where it is growing out of control, killing native water plants, and blocking the waterways. The water hyacinth is a
________ species. a.threatened
b.extinct
c.exotic
d.endangered
4.If a researcher found that a higher incidence of eye damage in kangaroos was due to increased ultraviolet radiation hitting the Earth, which pollutant would most likely be suspected as the cause?
a.sulfur dioxide
b.chloroflourocarbons
c.ozone
d.nitrogen dioxide
5.The California condor was extinct in the wild. Later they were bred in captivity and released in their old habitat. This is an example of:
a.corridors
b.sustainable use
c.an exotic species
d.a reintroduction program
6.The federally funded project of building a telescope in Arizona was stopped because an endangered species was found on the land. This probably occurred due to:
a.the Convention on International Trade in Endangered Species
b.reintroduction programs
c.habitat fragmentation
d.the U.S. Endangered Species Act
7.Two species of animals, Prezwalski's horse and Pere David's deer, no longer exist in the wild; they exist only in zoos. These species:
a.would be classified as a threatened species
b.are making a comeback
c.exist only in captivity
d.are extinct
8.DDT was effective in killing insects. However, which organism was endangered most by its use?
a.passenger pigeon
b.American bald eagle
c.elephant
d.sea lamprey
9.The biggest threat to global biodiversity is:
a.habitat degradation
b.habitat fragmentation
c.habitat loss
d.exotic species
10.A branch of biology that seeks to preserve the world's biodiversity is ________ ________.
11.Allowing people to remove resources from a protected area as long as damage is not done to the ecosystem is an example of the philosophy of ________ ________.
12.The variety of life in an area is its ________. The number of ________ in the area usually provides a measure of this.
13.Water pollution is an example of habitat ________.
14.If Venus fly trap plants were planted in their native habitat, this could be part of a
________ program. 15.Rats came to Hawaii on European boats; their populations grew very quickly. The rats are an example of a
________ ________. 16.In Costa Rica, a thin strip of land links two protected wildlife areas. This is an example of a
________ ________. 17.The insecticide DDT caused the American bald eagle and peregrine falcon eggs to ________, killing the chicks.
18.When a population of organisms falls drastically, that species may become a
________ species. If its population falls almost to the point of extinction it is said to be a ________ species. 19.________ ________ release organisms into an area where the species was once found.
even just one answer would help