Edge species :
decrease biodiversity.
only exist in areas that have been altered by humans.
require the unique homogenous edge environment.
may require conditions found in both of the bordering ecosystems.
Which is NOT one of the main threat categories used for threatened species?
Endangered
Vulnerable
Rare
Imperiled
The water (prevention and control ) pollution act came into force in the year:
1972
1974
1977
1981
A new branch of science that studies all aspects of biodiversity with the goal of conserving natural resources.
Human biology
Conservation biology
Agronomy
Wildlife management
The "Vienna Convention" related with environment is basically related with:
international trade in endangered species .
protection of ozone layer .
biodiversity conservation .
preservation of cultural environment.