environmental Ch 10

Question 1

biodiversity

Answer 1

the variety of species living within an ecosystem

Question 2

gene

Answer 2

a piece of DNA that codes for a specific trait that can be inherited by an organism’s offspring

Question 3

keystone species

Answer 3

a species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community

Question 4

ecotourism

Answer 4

a form of tourism that supports the conservation and sustainable development of ecologically unique areas

Question 5

endangered species

Answer 5

a species whose numbers are so small that the species is at risk of extinction

Question 6

threatened species

Answer 6

a species that could become endangered in the near future

Question 7

exotic species

Answer 7

An organism that is carried into a new location by people

Question 8

poaching

Answer 8

illegal hunting of protected animals

Question 9

endemic species

Answer 9

species that are native to and found within a limited area

Question 10

germplasm

Answer 10

have been established to help preserve plant genetic resources, stated to be the basis of all human economy

Question 11

endangered species act

Answer 11

an act that the US Congress passed in 1973 to protect any plant or animal species in danger of extinction

Question 12

biodiversity treaty

Answer 12

an international agreement aimed at strengths national control and preservation of biological resources