Ecology and Biosphere Concepts

The video tutorial introduces ecology, explaining its Greek origin meaning 'home'. It covers the levels of organization within ecosystems, from individual organisms to populations, communities, and ecosystems. The tutorial further explores biomes, areas with similar climates, and the biosphere, the Earth's life-supporting layer. Key concepts include the interaction of biotic and abiotic factors and the importance of climate in shaping ecosystems.

What is the origin of the word 'ecology'?

• German word 'ökologie'

• Greek word 'oos'

• Latin word 'eco'

• French word 'ecologie'

Which level of organization includes a group of organisms that can breed together?

• Ecosystem

• Biosphere

• Community

• Population

What is a mutualistic relationship?

• A relationship where both organisms benefit

• A relationship where neither organism benefits

• A relationship where one organism benefits and the other is unaffected

• A relationship where one organism benefits and the other is harmed

What does a community in ecology consist of?

• All ecosystems in one area

• All non-living elements in one area

• All living organisms in one area

• A single species in one area

Which of the following is NOT a factor in an ecosystem?

• Soil composition

• Temperature

• Species diversity

• Water availability

What defines a biome?

• A region with similar climate and ecosystems

• A single ecosystem

• A group of populations

• A specific type of plant

Which of the following is a characteristic of a biome?

• Uniform temperature throughout the year

• Absence of abiotic factors

• Presence of only one species

• Unique climate and precipitation patterns

What is the biosphere?

• The atmosphere only

• The lithosphere only

• The layer of Earth that supports life

• The hydrosphere only

Which part of Earth is NOT included in the biosphere?

• Lithosphere

• Hydrosphere

• Atmosphere

• Core

What analogy is used to describe the biosphere?

• An orange peel

• An apple peel

• A grape skin

• A banana peel