2023 Biology 1st Semester Final Exam Review

Front

What happens to ocean pH levels as carbon dioxide levels increase?

Back

The pH levels of the ocean become more acidic.

Front

What is a tertiary consumer in a food chain?

Back

An eagle is an example of a tertiary consumer.

Front

What is a producer in a food chain?

Back

Grass is an example of a producer.

Front

What process do plants use to break down food into energy?

Back

Cellular respiration.

Front

What does an increase in oxygen bubbles from an aquatic plant indicate?

Back

More photosynthesis is occurring.

Front

Define photosynthesis.

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

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 difference between a primary consumer and a secondary consumer?

Back

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

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the soil.