The major causes of animal and plant species extinction by humans are:
A. urbanization and industrialization
B. deforestation and afforestation
C. agriculture
D. alien species and hunting
查看答案
Whenenvironmentalethicsemergedasanewsubdisciplineofphilosophyintheearly_______,itdidsobyposingachallengetotraditionalanthropocentrism.
Environmentalimpactreport(EIR)isthewrittenrecordofan environmental impact assessment exercisesubmittedtothedecidingauthority.Itidentifiesandexaminesthelikelyenvironmental__________ofthecontinuingoperationsofanexistingfacilityorthoseofaproposedproject,andproposesmeasurestoavoid,mitigate,oroffsetthem.
Environmentalsustainabilityreferstothemaintenanceofthefactorsandpracticesthatcontributetothe__________ofenvironmentonalong-termbasis.
A biome is a major biotic community characterized by the dominant forms of plant life and the prevailing climate. It is a major ecological community, extending over a large area and usually characterized by a dominant vegetation. Biomes are collections of ______________, such as deserts, tropical forests, temperate forests, arctic tundra, and grassy plains.