1. Which of the following biomes might be found near the Earth’s poles?
Temperate deciduous forest
Evergreen coniferous forest
Chaparral
Tropical desert
Arctic tundra
2. Protecting marine diversity is difficult because _______.
There is still a lot that we do not understand about marine ecosystems
Much damage to the oceans is invisible
Most of the ocean lies outside most countries’ legal jurisdiction
Human ecological footprint is expanding so rapidly that it is difficult to monitor
All answers are correct
3. Raising animals in feedlots leads to ____.
accumulation of animal waste
spacious living conditions for livestock
increased overgrazing
reduced meat production
greater soil erosion