IB ESS Semester Review (Topic 1, 2, 8)

Front

What country is projected to have the most rapid population growth?

Back

Mexico

Front

Which biome is predominant near the Earth's equator?

Back

Tropical rainforest

Front

What does a biomass pyramid represent?

Back

The total mass of living tissue at each trophic level.

Front

What type of pollution is more dispersed and can come from various sources like vehicle exhaust?

Back

Non-point source pollution.

Front

Which law of thermodynamics explains the energy loss in an ecological pyramid?

Back

2nd law of thermodynamics.

Front

Define 'biome'.

Back

A large ecological area on the Earth's surface, with flora and fauna adapting to their environment.

Front

What is the primary characteristic of a tropical rainforest?

Back

High biodiversity and dense vegetation with a warm, humid climate.

Front

Explain the concept of 'trophic levels'.

Back

The hierarchical levels in an ecosystem, comprising producers, primary consumers, secondary consumers, and so on.

Front

What is the significance of the 2nd law of thermodynamics in ecology?

Back

It states that energy transfer is inefficient, leading to energy loss at each trophic level.

Front

What is a 'biomass pyramid'?

Back

A graphical representation showing the total mass of living organisms at each trophic level.