chapter 10 Flashcards
(13 cards)
biodiversity
refers to the number of different species in a given area.
gene
a piece of DNA that codes for a specific trait that can be inherited by an organism’s offspring.
keystone species
species that are so clearly critical to the functioning of an ecosystem.
ecotourism
a form of tourism that supports the conversation and sustainable development of ecologically unique areas.
endangered species
a species that is likely to become extinct if protective measures are not taken immediately.
threatened species
a species that has a declining population and that is likely to become endangered if it is not protected.
exotic species
a species that is not native to a particular region.
poaching
an activity that is now known as a crime.
endemic species
species that are native to and found only within a limited area.
germ plasm
any form of genetic material such as germ, cells of animals and plants.
Endangered Species Act
an act that the U.S. congress passed in the year 1973.
habitat conversation plan
a plan that attempts to protect one or more species across large areas.
Biodiversity treaty
an important result of the earth summit.