Revision: Ecological succession & feedback loop + el nino la nin

Front

What is ecological succession?

Back

The gradual process of change and replacement of the types of species in a community.

Front

What type of succession occurs after a forest fire?

Back

Secondary succession.

Front

What is a pioneer species?

Back

The first species to colonize previously disrupted or damaged ecosystems.

Front

What is a climax community?

Back

A stable and mature community that undergoes little change in species composition.

Front

What is a positive feedback loop?

Back

A process that amplifies or increases change; in ecology, it can lead to further environmental changes.

Front

What is a negative feedback loop?

Back

A process that counteracts change; it helps to stabilize an ecosystem.

Front

How does El Niño affect global weather patterns?

Back

It can cause increased rainfall in some regions and droughts in others, disrupting normal weather patterns.

Front

What is La Niña?

Back

A climate pattern that describes the cooling of surface ocean waters along the tropical west coast of South America.

Front

What effect does La Niña have on ocean surface temperatures?

Back

It leads to cooler than average ocean surface temperatures.

Front

What is eutrophication?

Back

The process by which a body of water becomes overly enriched with nutrients, leading to excessive growth of algae.