IB ESS Topic 2.2

Front

What is a limiting factor?

Back

Any factor that limits population growth.

Front

What is the largest number of individuals of a population that an environment can support?

Back

Carrying capacity.

Front

When energy is wasted or lost, it is in the form of what?

Back

Heat.

Front

Which animal preys on the caracal?

Back

Snake.

Front

According to the Greenworld Hypothesis, what controls herbivore abundance?

Back

Higher trophic levels control herbivore abundance.

Front

What is the definition of carrying capacity?

Back

The maximum population size that an environment can sustain.

Front

What is the role of producers in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are living components of an ecosystem, while abiotic factors are non-living components.

Front

What is the significance of the Greenworld Hypothesis?

Back

It explains how higher trophic levels regulate herbivore populations, maintaining plant diversity.