Biomes

All of the following are threats to biodiversity EXCEPT

• habitat loss

• invasive species

• keystone species

• climate change

These are varied benefits that people obtain from the ecosystem.

• sustainable benefits

• ecosystem services

• economic benefits

• ecological advantages

Large-scale ecological communities

• ecosystems
• habitats
• biomes

• populations

Most diverse terrestrial biome

• taiga

• desert

• tropical rainforest

• tundra

Which of the following is an adaptation of plants thriving in deserts?

• spine

• fibrous root system

• herbaceous stem

• broad and highly cutinized leaves

grasslands in the tropics

• prairies

• tundra

• steppes

• savannas

Much of Earth's freshwater is found in polar ice caps and underground aquifers.

• True

• False

Type of freshwater ecosystem which is characterized by slow moving water

• lotic

• lentic

• wetland

• eutrophic