EOC Review #3 (Ecology)

Front

What is a keystone species?

Back

A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.

Front

What is the greenhouse effect?

Back

The warming of a planet due to trapped radiation.

Front

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

Back

100 Kcal

Front

What percentage does the energy decrease as it goes up the pyramid?

Back

10%.

Front

What happens to the amount of available energy in the pyramid as it moves up through the different levels?

Back

It decreases.

Front

Define an invasive species.

Back

A non-native species that spreads widely in a new habitat and causes harm to the environment, economy, or human health.

Front

What is an energy pyramid?

Back

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

Front

What is a trophic level?

Back

Each step in a food chain or food web, representing the flow of energy and nutrients.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.