What is a Biome?

The video explores various biomes, the largest geographic biotic units, and their characteristics. It covers aquatic biomes, including freshwater and marine ecosystems, and highlights the diversity of life in these environments. Desert biomes, both hot and cold, are discussed, with examples like Antarctica and the Sahara. Forest biomes are divided into tropical, temperate, chaparral, and taiga, each with unique flora and fauna. Grassland biomes, such as savannas, and the tundra, the coldest biome, are also examined. The video emphasizes the complex interactions between living and non-living components in these biomes.

What is a biome?

• The largest geographic biotic unit with similar lifeforms

• A type of climate zone

• A small ecosystem with unique species

• A specific type of plant community

Which of the following is NOT a type of aquatic biome?

• Deserts

• Estuaries

• Coral reefs

• Freshwater wetlands

What percentage of the Earth's surface is covered by desert biomes?

• 10%

• 20%

• 30%

• 40%

Which forest biome is known for having cone-bearing trees?

• Tropical rainforest

• Taiga

• Chaparral

• Temperate rainforest

What is the primary vegetation found in savannas?

• Thick shrubs

• Mostly grasses with scattered trees

• Lichens and mosses

• Dense forests

Which biome is located in the Arctic Circle?

• Savanna

• Desert

• Chaparral

• Tundra

What type of animals are dominant in grassland biomes?

• Aquatic species

• Carnivorous predators

• Desert reptiles

• Herbivorous grazers