Ecology TEST Review

Front

What is an invasive species?

Back

A species that is NOT native to a particular region and can cause harm to the environment, economy, or human health.

Front

What does a food web represent?

Back

All connections of energy flow throughout all organisms in a habitat.

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

How do invasive plants damage the environment?

Back

They compete with native species, change plant community, and alter diversity.

Front

What is biomagnification?

Back

A form of pollution in which high-level consumers accumulate large concentrations of harmful substances.

Front

Define ecology.

Back

The study of interactions between living organisms and their environment.

Front

What is a trophic level?

Back

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

Front

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

Back

A food chain shows a single pathway of energy flow, while a food web shows all connections of energy flow among organisms.

Front

What role do producers play in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis, forming the base of the food chain.

Front

What is the significance of biodiversity?

Back

Biodiversity contributes to ecosystem resilience, productivity, and the ability to adapt to changes.