Q.1
What is the current concentration of CO2 in the atmosphere?
310 ppm
350 ppm
390 ppm
430 ppm
Q.2
The forests of Colorado belongs to which biome?
Mountain forest
Alpine tundra
Temperate broadleaf forest
Temperate steppe
Q.3
Which ecosystem has the highest biodiversity?
Mediterranean shrubland
Temperate lake
Tropical rain forest
Tundra
Q.4
The mountain pine beetles kills which tree?
Quaking aspen
Ponderosa pine
Bigtooth maple
Engelmann spruce
Q.5
Which species is native to North America?
Zebra mussel
Kudzu
Wild boar
Maize