STAAR Review Biology Category 5

Front

What is the impact of deforestation by burning on the environment?

Back

Deforestation by burning releases CO₂ while decreasing oxygen, disrupting ecological cycles.

Front

What is the term for a living relationship between two species in which one organism is harmed?

Back

Parasitism.

Front

In a food chain, what is the role of a tertiary consumer?

Back

A tertiary consumer is an organism that eats secondary consumers.

Front

What happens to usable energy as you move up trophic levels?

Back

The amount of usable energy decreases.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants absorb CO₂ and convert it into glucose using sunlight.

Front

What is the role of producers in an ecosystem?

Back

Producers, like plants, create energy through photosynthesis and form the base of the food chain.

Front

Define mutualism.

Back

Mutualism is a symbiotic relationship where both species benefit.

Front

What is the difference between primary and secondary consumers?

Back

Primary consumers eat producers (plants), while secondary consumers eat primary consumers.

Front

What is the significance of biodiversity in an ecosystem?

Back

Biodiversity increases resilience and stability in ecosystems.

Front

What is the greenhouse effect?

Back

The greenhouse effect is the warming of Earth due to trapped heat from greenhouse gases like CO₂.