Final Exam Review

Front

What is a secondary consumer?

Back

A secondary consumer is an organism that eats primary consumers (herbivores) in a food chain. Example: a mouse that eats insects.

Front

What role do bacteria play in the nitrogen cycle?

Back

Bacteria convert nitrogen gas from the atmosphere into a usable form for plants and animals, a process known as nitrogen fixation.

Front

What is the primary function of carbohydrates?

Back

Carbohydrates provide easily accessible (quick) energy for the body.

Front

What gas do plants release during photosynthesis?

Back

Oxygen is released as a byproduct of photosynthesis.

Front

What are the products of photosynthesis?

Back

The products of photosynthesis are oxygen and sugar (glucose).

Front

Define photosynthesis.

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is a food chain?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is the difference between a producer and a consumer?

Back

Producers create their own food through photosynthesis (e.g., plants), while consumers rely on other organisms for food.

Front

What is the role of fungi in ecosystems?

Back

Fungi decompose organic matter, recycling nutrients back into the soil, and can also form symbiotic relationships with plants.

Front

What is the significance of oxygen in the atmosphere?

Back

Oxygen is essential for the survival of most living organisms as it is required for cellular respiration.