STAAR Biology Category 5

Front

What is deforestation by burning described as a 'double whammy'?

Back

It releases CO₂ while decreasing oxygen, disrupting ecological cycles.

Front

What is parasitism?

Back

A living relationship between two species in which one organism is harmed.

Front

What type of ecological succession occurs on a newly formed volcanic island?

Back

Primary succession.

Front

In an ecological food chain, what is a tertiary consumer?

Back

An organism that is at the top of the food chain, feeding on secondary consumers.

Front

What is the role of producers in an ecosystem?

Back

Producers, like plants, create energy through photosynthesis.

Front

Define mutualism.

Back

A symbiotic relationship where both species benefit.

Front

What is the difference between primary and secondary succession?

Back

Primary succession occurs on newly exposed surfaces, while secondary succession occurs in areas where a disturbance has destroyed an ecosystem but soil remains.

Front

What is the significance of the ozone layer?

Back

It protects the Earth from harmful ultraviolet (UV) radiation.

Front

What is a primary consumer?

Back

An organism that feeds on producers, typically herbivores.

Front

What is the impact of deforestation on biodiversity?

Back

Deforestation leads to habitat loss, reducing biodiversity.