Biomes of the World

What is the significance of the ocean in the Earth's ecosystem?

• Oceans cover about 71% of the Earth's surface and are crucial for regulating climate, supporting marine life, and providing oxygen.

• Oceans are primarily important for recreational activities and tourism.

• Oceans are mainly responsible for the formation of land masses and mountains.

• Oceans have no significant impact on the Earth's climate or life forms.

What is the main characteristic of a desert biome?

• High precipitation and dense vegetation

• Low precipitation, extreme temperatures, and sparse vegetation

• Mild temperatures and abundant rainfall

• Consistent temperatures and lush forests

What is the role of producers in an ecosystem?

• Producers convert sunlight into energy through photosynthesis, forming the base of the food chain.

• Producers are organisms that consume other organisms for energy.

• Producers are responsible for decomposing organic matter in the ecosystem.

• Producers regulate the population of consumers in the ecosystem.

What are abiotic factors?

• Living components of an ecosystem

• Non-living components of an ecosystem, such as water, sunlight, temperature, and soil.

• Factors that affect the biotic components of an ecosystem

• Only the chemical components of an ecosystem

What is a river?

• A river is a natural watercourse that flows continuously in one direction, often feeding into larger bodies of water.

• A river is a large body of saltwater that is surrounded by land.

• A river is a man-made structure used for irrigation and drainage.

• A river is a small stream that dries up during the summer months.

What animals are typically found in the African Savannah?

• Elephants

• Penguins

• Kangaroos

• Polar Bears

What are biotic factors?

• Biotic factors are the non-living components of an ecosystem.

• Biotic factors are the living components of an ecosystem, including plants, animals, and microorganisms.

• Biotic factors are the chemical substances in an ecosystem.

• Biotic factors are the physical features of an ecosystem.

What is the difference between a pond and a lake?

• Ponds are larger and deeper than lakes, preventing sunlight from reaching the bottom.

• Ponds are smaller and shallower than lakes, often allowing sunlight to reach the bottom, supporting plant life.

• Ponds and lakes are the same, with no significant differences.

• Lakes are typically found in urban areas, while ponds are found in rural areas.

What is the primary feature of a rainforest biome?

• High rainfall and biodiversity

• Low temperatures and sparse vegetation

• Seasonal droughts and limited species

• High altitude and dry conditions

What adaptations do plants in the desert have?

• Thick skins, shallow roots, and the ability to absorb water quickly

• Thick skins, deep roots, and the ability to store water

• Thin leaves, shallow roots, and the ability to grow quickly

• Bright flowers, deep roots, and the ability to attract pollinators