Bio Ecology Review

Front

What percentage of energy is lost as heat or used by organisms for survival in an energy pyramid?

Back

90%

Front

If the tertiary consumer receives 300 J of energy, how much energy did the primary consumer receive?

Back

30000 J

Front

What is the producer in an ecosystem?

Back

Plant

Front

Which of the following is a density-independent factor?

Back

Floods

Front

What is the name given to lichen or algae after primary succession?

Back

Pioneer species

Front

What is an energy pyramid?

Back

A graphical representation of energy flow in an ecosystem, showing energy levels at different trophic levels.

Front

Define primary succession.

Back

The process of ecological change that occurs in an area where no soil exists, starting with pioneer species.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead organic matter, recycling nutrients back into the soil.

Front

What is a trophic level?

Back

Each step in a food chain or food web, representing a different level of energy transfer.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of energy transfer, while a food web is a complex network of interconnected food chains.